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980 DP Video Generator - User Guide 

 

 

  Rev. A4 

 

Page 314 

 

July 14, 2014 

 

11.117.5

 

Test   

Yoke winding orthogonality check. 

11.117.6

 

Purpose 

 

The horizontal and vertical deflection coils on the yoke should have their axes cross at exactly 90 degrees. 
Improper orientation of the windings causes displayed rectangles to look more like nonorthogonal parallelograms. 
This type of defect is almost impossible to correct with adjustments. It is usually easier to replace the defective 
yoke. 

11.117.7

 

Method 

First, perform the yoke tilt correction described above. The vertical center line of the image should be perpendicular 
to the work surface. If the deviation is beyond specification, the monitor should be rejected and sent back for repair, 

rather than trying to magnet a defective yoke. 

11.117.8

 

Test   

Display size correction. 

11.117.9

 

Purpose 

 

A too-large active video size adjustment on a monitor may cause information to be lost around the edges of the 
screen. A too-small active video size adjustment may make some displayed information hard to read. The correct 
size is needed to obtain the correct aspect ratio. You need the correct aspect ratio to get round circles and square 
squares. 

11.117.10

 

Method 

 

First, determine the correct physical size of the active video area for the display. This information usually is given in 
a display

’s specification sheet or service manual. The size should match the sizes in the format you are using. The 

size setting of the current format can be checked using the 

Format 

test image. 

Place a ruler or gauge along the horizontal line of the image and adjust the monitor's horizontal size control until 
the distance between the end points matches the specified value. 

Move the ruler or gauge to the vertical line and adjust your monitor's vertical size control until the distance between 
the end points matches the specified value. 

11.117.11

 

Test   

Parallelogram distortion check. 

11.117.12

 

Purpose 

 

Parallelogram distortion is very difficult to correct with magnets because the correction often causes barrel 
distortion. Therefore, you should decide early whether your monitor meets this specification. The problem usually 
can be traced to the improper winding of the yoke coils. If the problem is not too severe, it may be corrected by 
adding or adjusting magnets on the yoke. However, if the distortion is excessive, it may be an indication of a 
defective yoke which cannot be corrected with magnets. 

Summary of Contents for 980 DP

Page 1: ...980 DP Video Generator User Guide Rev A4 Page 1 July 14 2014 980 DP1 2 Video Generator Module User Guide Rev A4 ...

Page 2: ...41 3 10 Viewing the EDID of a connected display 44 3 11 Viewing the DPCD of a connected display 48 3 12 Testing HDCP on a connected display 58 4 DP LINK TRAINING CONTROL 63 4 1 Accessing the Link Training Control application 63 5 Auxiliary Channel Analyzer ACA Utilities 72 5 1 Aux Channel Analyzer and ACA Remote Control For Real Time Viewing of DP Aux Channel Data 73 5 2 Monitoring DP Aux Chan Tra...

Page 3: ...t 167 8 5 Controlling the Network Analyzer 167 8 6 DPCD Editor 175 9 Command Reference 185 9 1 Video Related commands 185 10 Upgrading the 980 Manager and 980 189 11 Image Reference 191 11 1 Standard image descriptions 191 11 2 3DXTalk 191 11 3 Acer1 192 11 4 Acer2 193 11 5 Acer3 Acer4 Acer5 Acer6 194 11 6 Acer7 and Acer8 195 11 7 Acer9 196 11 8 AFDtest 197 11 9 Anamorph 198 11 10 AnsiGray 199 11 ...

Page 4: ... DecodChk 229 11 40 Diamond1 230 11 41 Dot1606 Dot1610 Dot1612 Dot1615 Dot1812 Dot1815 Dot2016 231 11 42 DOT_10 DOT_12 DOT24 232 11 43 DV_Swing DVSwing2 234 11 44 Dyna 235 11 45 EdidData Edid2 236 11 46 EdidHdmi1 EdidHdmi2 237 11 47 Elbit 238 11 48 EMITest1 EMITest3 EMITest3 EMITest4 EMITest5 239 11 49 Examples 241 11 50 Flat Flat07 Flat13 Flat20 Flat27 Flat33 Flat40 Flat47 Flat53 Flat60 Flat67 Fl...

Page 5: ...2 Grill_33 Grill_44 266 11 75 GRN_EM GRM_EM GRN_HTCH GRN_PIC 267 11 76 H_Stair 268 11 77 HalfArea 269 11 78 HalfClk 270 11 79 Hat1606 Hat1610 Hat1612 Hat1615 271 11 80 Hat1606A Hat1610A Hat1612A Hat1615A 272 11 81 Hat1812 Hat1815 273 11 82 Hat1812A Hat1815A 274 11 83 Hat2016 275 11 84 Hat2016A 276 11 85 Hatch_6 Hatch_10i Hatch_10o Hatch_12i Hatch_12o Hatch_24i Hatch_24o Hatch_24s Hatch_G Hatch_M G...

Page 6: ... MnslPG 305 11 111 MoireX MoireX33 MoireY MoireY33 306 11 112 Monoscope 307 11 113 MSony7 MSony8 308 11 114 MulBurst 309 11 115 Needle 310 11 116 Orion 311 11 117 Outline0 Outline1 Outline2 Outline3 312 11 118 OverScan 317 11 119 P1 318 11 120 P2 319 11 121 P3 320 11 122 P4 321 11 123 P5 322 11 124 P6 323 11 125 P6_Sony 324 11 126 P7 325 11 127 P8 326 11 128 P9 327 11 129 PacketTx 328 11 130 Pairi...

Page 7: ...Samsung6 354 11 155 SansungB 355 11 156 SamsungT 356 11 157 Set01k 357 11 158 Sharpnes 358 11 159 SlideBox 359 11 160 SMPTE133 360 11 161 SMPTEbar SMPTEbr2 364 11 162 Sony6 367 11 163 Sony6WLC 368 11 164 sRGBflat 369 11 165 Staircase 370 11 166 Strokes0 Strokes1 371 11 167 TAARamp 372 11 168 Taffeta 373 11 169 Text_9 Text_9T Text_11 Text_12T Text_16 374 11 170 TextFlat 375 11 171 ThreeBar 376 11 1...

Page 8: ...980 DP Video Generator User Guide Rev A4 Page 8 July 14 2014 11 180 TVSplBar 387 11 181 WHT_EM WHT_EM 388 11 182 ZonePlt 389 ...

Page 9: ...devices up to 5 4Gb s link rates per 4 lanes The 980 GUI Manager is a PC application to manage and use the 980 DP Video Generator module 1 1 Scope of this User Guide This User Guide provides descriptive and procedural information on the 980 DP Video Generator module for testing DP display devices Although you can operate the 980 DP Video Generator module through the embedded GUI most of the exampl...

Page 10: ...gles These compliance test applications are provided by the 980 HDMI Protocol Analyzer module or the 980 HDMI Protocol Analyzer Gen 3 system Used in conjunction with the 980 Advanced Test Platform Quick Start Guide 980 MHL CBUS Compliance Test Module Covers MHL CBUS compliance testing for both MHL sources as well as sinks and dongles This compliance test applications are provided by the 980 CBUS C...

Page 11: ...980 DP Video Generator User Guide Rev A4 Page 11 July 14 2014 this module When using the external 980 GUI Manager you must be connected to the 980B 980R in order to read the Instrument Information ...

Page 12: ...980 DP Video Generator User Guide Rev A4 Page 12 July 14 2014 ...

Page 13: ...llustration below shows a PC left connected to the 980B through an Ethernet cable for operation through the external 980 GUI Manager The second illustration depicts the embedded 980 GUI Manager 1 4 1 External 980 GUI Manager The external 980B GUI Manager provides convenient operation of the 980 DP Video Generator module from your PC The larger screen size on the external 980 GUI Manager enables yo...

Page 14: ...application A minimum of 512MB of RAM is recommended Note that you do not need a PC because you can use the built in Front Panel display however the external 980 GUI Manager provides you with a larger viewing area 5 Optional not required if using the built in display Determine how you are going to connect to the 980 980B from the external 980 GUI Manager in order to operate the instrument o Put th...

Page 15: ...P Video Generator User Guide Rev A4 Page 15 July 14 2014 2 Selecting video formats resolutions 3 Setting the colorimetry and video mode 4 Selecting the test patterns 5 Running other tests on DP sink devices ...

Page 16: ...ng up the 980 Note The power switch in the front is used when you are turning off the 980 for a short period of time For extended periods of off time it is best to power the 980 down by first using the power button on the front and then the rocker switch on the back 2 Optional Establish an Ethernet IP connection between the external 980 GUI Manager and the 980B 980R Advanced Test Platform using th...

Page 17: ...tion C DP Tx2 port for DP video audio generation same output as Tx1 Note DP Video Generator can be installed in slots 3 or 6 980B QD Bus Board D Internal Ethernet Tx connector not used E BNC Trig OUT connector Not used for this module F BNC Trig IN connector Not used for this module G RCA OUT connector for SPDIF function Not used for this module H RCA IN connector for SPDIF function Not used for t...

Page 18: ...DP Tx2 port for HDMI video generation Note DP Video Generator can be installed in slots 1 3 or 6 980R QD Bus Board D Internal Ethernet Tx connector not used E BNC Trig OUT connector Not used for this module F BNC Trig IN connector Not used for this module G RCA OUT connector for SPDIF function Not used for this module H RCA IN connector for SPDIF function Not used for this module 980R Lower Panel ...

Page 19: ... physical DP connections This subsection describes the physical DP connections required to run the video pattern tests on a DP display Connection for video testing 980B Direct Connection Side View Connection for video testing 980B Ethernet hub or corporate LAN example Side View ...

Page 20: ... for video testing 980R Ethernet hub or corporate LAN example Rear View To make the physical DP connections This procedure assumes that you have assembled the 980B 980R with the 980 DP Video Generator module and the DP display device under test and applied power to all these devices Refer to the procedures below and the diagram above ...

Page 21: ...slot 3 shown or slot 6 of the 980B and slot 1 3 or 6 in the 980R 3 4 Navigating through the 980 GUI Manager interface Use the following procedures to navigate to the 980 DP Video Generator module testing functions You can access the 980 DP Video Generator module functionality through the Card Control tab Page 1 of 4 of the Apps panel Use the procedures provided below To navigate to the video test ...

Page 22: ...980 DP Video Generator User Guide Rev A4 Page 22 July 14 2014 A blank Generator panel appears as shown below ...

Page 23: ...Click on the Connect button to initiate a connection between the 980 GUI Manager and the 980 Generator application A dialog box will appear asking you to connect to the 980B 980R Once you establish the connection the Generator panel will be populated as shown below ...

Page 24: ...0B 980R The Generator screen has a status area on the top of its panel The status area provides the following information Generator Status Area Top Item Description Port Active port in this case the two Tx connectors T30 and T31 INTF The currently selected interface type for the module This could be either DP HDMI or DVI The sampling mode is included in parentheses after the interface ...

Page 25: ...atus panel Resolution scan and color The resolution scan and colorimetry type are shown on in the lower portion of the upper status panel in the center H Rate The horizontal refresh rate of the selected timing F Rate The frame or vertical refresh rate of the selected timing P Pixel Rate The pixel clock rate of the selected timing Please note that if you are also making changes through the command ...

Page 26: ... 980 DP Video Generator module Note There are two DP transmitter ports and one DP receiver port Both transmitters are active and transmitting the same content simultaneously To select interface DP 1 From the Main menu of the 980 DP Video Generator module click the Interface button to select DP mode In this case DP should be selected by default ...

Page 27: ...ator User Guide Rev A4 Page 27 July 14 2014 When you select the interface type you will get a listing of DP formats and the INTF field in the status area will show DP The screen example below depicts a set of DP formats ...

Page 28: ... two ways Select from a custom list you have created using the Format List Editor Select from a list of formats configured from the EDID of the connected display Use the following procedures to select a video resolution format 3 6 1 Selecting formats using the Library list Use the following procedures to select a video resolution format using the Library List method The procedure assumes that you ...

Page 29: ...so search for a format using a test strings on the Find Format dialog box 3 Select a format from the list by clicking on it 4 Click on the Find activation button on the lower portion of the Format panel The Find Format dialog box appears as shown below Enter a string in the Search Text field to find a format You can specify either Starts with or Contains using the radio buttons and you select the ...

Page 30: ...the 980 module s format list is stored The default path is the Standard path You might wish to change the directory path if you have created your own custom formats using the Format Editor to create custom formats Note also that you can configure a smaller list of formats to choose from using the Format List Edit refer to Format List Editor By default when you create a custom format the new format...

Page 31: ...er Guide Rev A4 Page 31 July 14 2014 You can open up and activate any custom Format Lists you have previously defined with the associated icon A dialog box will appear enabling you to select a custom format list or lists below ...

Page 32: ...980 DP Video Generator User Guide Rev A4 Page 32 July 14 2014 ...

Page 33: ...ove shows selecting one Format List The Check All and Un Check All activation buttons allow convenient selection where you have many Format Lists to choose from The result of selecting one custom Format List is shown in the screen example below A limited set of formats are displayed The Path icon on the bottom status panel will display that new list indicated below ...

Page 34: ... From the main window of the 980 DP Video Generator module click the Format tab If the CEA button is not active simply click on the CEA button on the upper left of the top panel indicted in the screen shot below The CEA smart filtering screen enables you to select CEA formats through filtering of various vide parameters such as Resolution Vtotal Frame Rate and Aspect Ratio As you optionally move f...

Page 35: ... Configuring the format Settings Use the following procedures to configure the format settings The Settings dialog box enables you to configure the Color Space Range and Bits per Component To select a format 1 Specify the format settings by clicking on the Settings button on the lower center of the panel indicated below The Settings dialog box appears as shown below Two examples are shown below th...

Page 36: ...levels for RGB and YCbCr mode Limited Use for CEA formats Please refer to the specification section on Video Quantization Ranges for more details Shoot for testing the undershoot overshoot signal code margins Full Use for PC formats Please refer to the specification section on Video Quantization Ranges for more details Bits per Component Color depth per component 8 Eight 8 bit per component 24 bit...

Page 37: ...cess the list of test patterns 2 Select a test pattern from the list by clicking or selecting it There is a scroll bar on the right to allow access to the entire list by browsing You can either scroll through the list of test patterns or use the Find feature to search for patterns When you press the Find activation button you are presented with a dialog window where you can search for a pattern by...

Page 38: ...o change the directory path if you have added your own bitmap patterns and wanted to select them without scrolling through the complete list You may also have created a custom Pattern List using the Pattern List Editor Refer to Pattern List Editor for details on creating a custom Pattern List You can change the directory path with the directory icon When you select the directory icon a dialog box ...

Page 39: ...tory the User directory will be indicated on the lower panel beside the associated icon as shown below Now you can configure the list of patterns in accordance with a custom Pattern List by clicking on the associated icon A dialog box will appear enabling you to select a custom image list below ...

Page 40: ...e shows selecting one Pattern List The Check All and Un Check All activation buttons allow convenient selection where you have many Pattern Lists to choose from The result of selecting one custom Pattern List is shown in the screen example below A limited set of patterns are displayed The Path icon on the bottom status panel will display that new list indicated below ...

Page 41: ...amma and Pseudo random noise and set the gating as desired Refer to the table below for details on these optional settings Pattern Settings Gating Description Options Gamma Correction Enables or disables gamma correction which compensate for properties of human vision to maximize the use of the bits or bandwidth relative to how humans perceive light and color On Off Pseudo Random Noise Renders a t...

Page 42: ...lues R G B for each action by the use 6 Set the pixel depth PELD if necessary through the Level button and associated dialog box shown above PELD establishes the number of data bits that represent each active pixel in video memory frame buffer Parameter The default setting and setting of 8 allows 256 colors on an image test pattern to be rendered This is suitable for the majority of test patterns ...

Page 43: ...B image DELY Set vertical shift for each step of SlideG SlideRGB image DWEL Set number of frames for each step of SlideG SlideRGB image PENW Set width variable for line thickness in EeRise NAWC and Slider images PENH Set height variable for line thickness in EeRise NAWC and Slider images SPAX Set horizontal spacing SPAY Set vertical spacing NCYC Internal use ...

Page 44: ...g procedures to select DP formats To view the EDID of a connected display 1 From the main window of the 980 DP Video Generator module select the Tools tab Make sure the DP Generator Card is selected 2 Select the DP Tx port that is connected to the sink DUT from the pull down menu provided below The naming convention used is ...

Page 45: ...980 DP Video Generator User Guide Rev A4 Page 45 July 14 2014 ...

Page 46: ... Video Generator User Guide Rev A4 Page 46 July 14 2014 3 Activate the EDID Decode button on the upper left indicated below Contents of the initial data in the first block of the EDID will be displayed below ...

Page 47: ...or User Guide Rev A4 Page 47 July 14 2014 Navigate through the blocks and pages of the EDID using the arrow buttons on the lower panel indicated above Examples of the EDID Decode content are shown in the following screens ...

Page 48: ...e 48 July 14 2014 3 11 Viewing the DPCD of a connected display Use the following procedures to view a displays DPCD registers To view the DPCD of a connected display 1 From the main window of the 980 DP Video Generator module select the Tools tab ...

Page 49: ... Tx port that is connected to the sink DUT from the pull down menu provided below The naming convention used is 3 DP is the interface selected T indicates that it is a Transmit port there will be a Receiver port on this module in the near future 3 indicates the Slot number starting at 1 1 or 0 indicates the Port number starting at 0 ...

Page 50: ...980 DP Video Generator User Guide Rev A4 Page 50 July 14 2014 ...

Page 51: ...Video Generator User Guide Rev A4 Page 51 July 14 2014 4 Activate the DPCD Viewer button on the upper left indicated below 5 Contents of the initial data in the first block of the EDID will be displayed below ...

Page 52: ...r User Guide Rev A4 Page 52 July 14 2014 Navigate through the blocks and pages of the DPCD using the arrow buttons on the lower panel indicated above 6 Examples of the DPCD Viewer content are shown in the following screens ...

Page 53: ...980 DP Video Generator User Guide Rev A4 Page 53 July 14 2014 View the Link Sink Status registers ...

Page 54: ...980 DP Video Generator User Guide Rev A4 Page 54 July 14 2014 View the Test Automation registers ...

Page 55: ...980 DP Video Generator User Guide Rev A4 Page 55 July 14 2014 View the Source Specific registers ...

Page 56: ...980 DP Video Generator User Guide Rev A4 Page 56 July 14 2014 View the Sink Specific registers ...

Page 57: ...980 DP Video Generator User Guide Rev A4 Page 57 July 14 2014 View the Sink Control registers ...

Page 58: ...with the HDCPprod test image you can view the results of the test on the connected DP display These test images are selectable through the Pattern tab 3 12 1 Running the HDCP test using the HDCPprod test image Use the procedures below to run an HDCP test on a connected display using the HDCPprod test image To test HDCP on a connected display 1 Access the Pattern tab to view the test patterns and s...

Page 59: ...o Generator User Guide Rev A4 Page 59 July 14 2014 2 Select the HdcpProd test image if your sink device under test is connected to Port 0 Tx1 select Hdcp2 if your sink device under test is connected to Port 1 Tx2 ...

Page 60: ...980 DP Video Generator User Guide Rev A4 Page 60 July 14 2014 To test HDCP on a connected display 1 Access the HDCP Test through the Tools tab as shown below ...

Page 61: ...nsmitter 3 Check Bcaps over the DDC bus to determine if the sink is a receiver or a repeater and generate a new An value 8 byte random session number in the transmitter 4 Transmitter writes An to the receiver using the DDC bus 5 Transmitter writes Aksv to the receiver using the DDC bus 6 Read Bksv from the receiver over the DDC bus and validate that it has exactly 20 zeroes and 20 ones in it You c...

Page 62: ...ransmitter to complete 11 Wait for at least 100 milliseconds and then read the R0 value out of the receiver over the DDC bus and compare the value with the R0 calculation in the transmitter If this step fails then go to step 1 12 Enable encryption and read Ri from the receiver over the DDC bus every 128 frames and compare it to the Ri value calculated in the transmitter As long as the Ri value mat...

Page 63: ... established with the appropriate voltage swing level and pre emphasis necessary to establish a proper link In the Non Adaptive mode you are forcing the Lane Count and Link Rate as well as the voltage swing level and pre emphasis and bypassing the typical link training function Note that you can monitor the Aux Chan link transactions during these link training tests 4 1 Accessing the Link Training...

Page 64: ...4 July 14 2014 The Link Train test application appears in the window 2 Select the DP Tx port on the module from the pull down menu Use the port that is connected to the DP display that you are testing The Link Train application screen is shown below ...

Page 65: ...980 DP Video Generator User Guide Rev A4 Page 65 July 14 2014 ...

Page 66: ...0 DP Video Generator User Guide Rev A4 Page 66 July 14 2014 3 Select the link training mode tab Adaptive or Non Adapative in accordance with your requirements Adaptive selection shown in the screen below ...

Page 67: ... Video Generator User Guide Rev A4 Page 67 July 14 2014 4 Select the Train at Lane Count and Train at Link Rate parameters using the radio buttons provided 1 lane and 1 62 link rate shown in the example below ...

Page 68: ...es activation button to initiate the link training The results and status of the link training will be shown on the Link Train application screen as shown below Note You can monitor the link training transactions with the Auxiliary Channel Analyzer ACA Auxiliary Channel Analyzer ACA Utilities if desired ...

Page 69: ...Swing Level and Pre emphasis level parameters 8 Click on the Force Train activation button to initiate the link establishment using the parameters you have specified Note You can monitor the link training transactions with the Auxiliary Channel Analyzer ACA Auxiliary Channel Analyzer ACA Utilities if desired A few examples are shown below with various settings and the resulting status ...

Page 70: ...980 DP Video Generator User Guide Rev A4 Page 70 July 14 2014 ...

Page 71: ...980 DP Video Generator User Guide Rev A4 Page 71 July 14 2014 ...

Page 72: ... 3 Auxiliary Channel Analyzer utilities Auxiliary Channel Analyzer Used for real time viewing auxiliary channel DisplayPort Aux Chan data through the embedded 980 GUI Manager ACA Remote Control Used for viewing auxiliary channel DisplayPort data through the external 980 GUI Manager This application operates in sync with the Aux Channel Analyzer on the embedded display ACA Data Viewer Used for view...

Page 73: ...of the ACA panel are described in the following table Real Time ACA Information Function Auxiliary Channel Analyzer The following information is provided in the ACA data dialog box for each Event Item number This is a unique sequence number of the transaction Type The type of transaction either EDID HDCP or Link Training 980 Port number slot number Time stamp optional viewing field Shows the times...

Page 74: ...panel Open Opens an existing trace file stored on the 980 or the PC Save Saves a current trace file to the 980 The following information is provided in the ACA Event Details dialog box Type The type of event one of HDCP Link Training or EDID Start Time This the start time of the transaction in microseconds from a reference time determined when the capture of real time data began Duration The durat...

Page 75: ...y 14 2014 Real Time ACA Information Function the details of the next transaction Right arrow The right arrow allows you to see the details of the previous transaction Status field Shows the sequence number and the description of the selected transaction ...

Page 76: ...ge 76 July 14 2014 5 1 2 ACA Remote Control Panel Description The ACA Remote Control panel is described in the table below The GUI elements differ somewhat from the embedded Aux Channel Analyzer The ACA Remote Control main screen is shown below ...

Page 77: ...k Training 980 Card number Interface number Time stamp optional viewing field Shows the timestamp of each transaction Can either be absolute time based shown on the 980 system clock or relative time Time deltas referenced from the initial transaction in the trace Transaction Description A description of the transaction ACA Control Menu There is a menu associated with the ACA Remote Control Info pa...

Page 78: ...Saves the file to the 980 system that the host PC is connected to Save to PC Saves a current trace file to the Host PC Details Panel The following information is provided in the ACA Event Details dialog box Type The type of event one of HDCP EDID or Link Training Start Time This the start time of the transaction in microseconds from a reference time determined when the capture of real time data be...

Page 79: ...he selected transaction 5 1 3 Monitoring the DisplayPort auxiliary channels with the ACA utilities This subsection describes the procedures for monitoring the auxiliary channel data through the 980 GUI Manager using the Aux Channel Analyzer real time utilities You can monitor the DisplayPort transactions in real time when module is emulating a DisplayPort source device or when the module is emulat...

Page 80: ...l time The procedures assume that the DP sink device is powered up and connected to one of the 980 DP 1 2 Video Generator s Tx port The following diagram depicts the test setup Connection for DP source emulation 980B Connection for DP sink emulation 980B To monitor the DisplayPort DDC transactions 1 Touch select the Aux Channel Analyzer on the page 1 Card Control of the Apps panel ...

Page 81: ...980 DP Video Generator User Guide Rev A4 Page 81 July 14 2014 ...

Page 82: ...980 DP Video Generator User Guide Rev A4 Page 82 July 14 2014 The Aux Channel Analyzer panel appears as shown below ...

Page 83: ...alog box is shown below You first need to select the tab associated with the physical module and interface you wish to monitor The example below shows selecting the DP Video Generator module in slot 3 interface 0 which is the DP Tx port 1 Note that only the HDCP and EDID items are selected You can also specify selecting All Events If you wish to view only a subset of the events deselect the All Ev...

Page 84: ...e Aux Chan transactions in the ACA panel as shown below 4 Touch select the Start button on the ACA Menu panel on the right to initiate the viewing of the DP Aux Chan transactions An example showing monitored data is shown below You can stop or pause the collection at any time using the buttons on the ACA menu panel on the right These are indicated in the screen example below ...

Page 85: ...6 The ACA Find dialog box is accessible through the Data pop out menu shown in the screen example below The ACA Find function enables you to quickly locate different types of events a Click the Add button to add a new search criteria b Define the search by selecting the Source Type and any Text on the Event c Click Previous or Next to locate the item in the transactions ...

Page 86: ...g DP Aux Chan Transactions with the ACA This subsection provides procedures on monitoring the Aux Chan transactions through the Auxiliary Channel Analyzer ACA application 1 Launch the ACA application either from the View pull down window of the Home Menu shown in example below ...

Page 87: ...980 DP Video Generator User Guide Rev A4 Page 87 July 14 2014 ...

Page 88: ...980 DP Video Generator User Guide Rev A4 Page 88 July 14 2014 The ACA panel appears as shown below ...

Page 89: ...electing the Events button on the ACA panel menu at the right Refer to the screen example below The ACA Event Selection dialog box is shown below with all DP events selected for monitoring If you wish to view only a subset of the events deselect the All Events option and then select the specific event Be sure to select CEC ...

Page 90: ...980 DP Video Generator User Guide Rev A4 Page 90 July 14 2014 3 Start monitoring by clicking on the Start activation button as indicated below ...

Page 91: ...toring Auxiliary Channel transactions from the External 980 GUI Manager with the ACA Remote Control panel The ACA Remote Control panel enables you to view the ACA traces in real time from the external 980 GUI Manager The ACA Remote Control tool operates in sync with the embedded ACA The procedure between the two is essentially the same with a few differences in the screens 1 Touch select the ACA R...

Page 92: ...980 DP Video Generator User Guide Rev A4 Page 92 July 14 2014 ...

Page 93: ...o Generator User Guide Rev A4 Page 93 July 14 2014 The ACA Remote Control panel will appear in a separate window 2 Touch select the Connect activation button refer to the screen above to connect to your 980 system ...

Page 94: ... to the screen above to connect to your 980 system A dialog box appears enabling you to select the module and interface to monitor on the Remote Control ACA Note that you would select the DP R32 port not shown if you are using the DP module s Rx port to emulate a DisplayPort sink and testing a DisplayPort source ...

Page 95: ...or In the example above HDCP EDID and Link Training transactions are going to be logged You can select All Events as well or any subset 6 Click on the Start button to initiate the capturing of the transactions An example of a trace file is shown below You can save the traces either to the 980 test instrument or to your PC using the activation buttons provided ...

Page 96: ...ation you will first have to transfer them to the PC using the Data Transfer utility The ability to save ACA traces enables you to disseminate them to other subject matter experts for analysis or to Quantum Data for support You can view the ACA traces without a 980 test instrument You simply download the 980 GUI Manager from the Quantum Data website on the downloads page To view saved ACA trace fi...

Page 97: ...x appears below enabling you to select the 980 that you want to transfer data from Select the desired 980 and click OK The Data Transfer ACA Data panel will appear 4 Access the Data Transfer panel by double clicking on the Transfer Data icon 5 The Data Transfer panel appears in context with the ACA files on the 980 Instrument under the Instrument Files available as shown below ...

Page 98: ...980 DP Video Generator User Guide Rev A4 Page 98 July 14 2014 6 Highlight a directory on the Local Files side host PC and then initiate a Copy or Move The file appears on the PC host Local Files below ...

Page 99: ...ser Guide Rev A4 Page 99 July 14 2014 The data appears in the Navigator panel under the ACA data as shown below 7 Open up the ACA panel to view the transferred file You can access the ACA panel from the Other Apps panel Page 4 ...

Page 100: ...980 DP Video Generator User Guide Rev A4 Page 100 July 14 2014 The Aux Channel Analyzer panel appears 8 Select the Open button to open the ACA file as shown below ...

Page 101: ...980 DP Video Generator User Guide Rev A4 Page 101 July 14 2014 9 Click the OK activation button on the Open ACA Data dialog box The ACA trace file will appear in the window ...

Page 102: ...980 DP Video Generator User Guide Rev A4 Page 102 July 14 2014 ...

Page 103: ...d either on the embedded 980 GUI Manager or the external 980 GUI Manager The examples in this procedure use the external 980 GUI Manager 5 1 Creating a custom list of test patterns This subsection describes how you can create a custom pattern list To create a custom list of test patterns 1 From the Editors Page of the Apps panel select Pattern List Editor from the View menu as shown below ...

Page 104: ...ded 980 GUI Manager you can access the Pattern List Editor from the Generator Tools tab Be sure to select the correct Transmitter Generator port on the right side The list of editors appears as shown in the screen below 1 Select the Pattern List Editor icon The Pattern List Editor appears as shown below ...

Page 105: ... or using files on the 980 DP Video Generator module to create your custom list This dialog box also enables you to select the particular 980 if there is more than one on the network You can also add a new 980 through this dialog box Note Local Files when using the external 980 GUI Manager means that you are using the files stored locally on your host PC If you deselect Local Files on the dialog b...

Page 106: ...the custom Pattern List is stored on the host PC not the 980 instrument itself Note that you will have to deselect Use Local Files in order to select a 980 If you do not de select Use Local Files then you will be using test patterns on your host PC to create your list 4 Click OK to continue The left side window of the Pattern List Editor will display the files on the 980 DP Video Generator module ...

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Page 108: ...s Append Add a new test pattern to the end of your list Insert Insert a new test pattern into your accumulating list above the test pattern that is highlighted in the Data List on the right Delete Delete or remove a test pattern from your list 5 Click on the Save activation button when you are done configuring your custom list You will be asked to enter a name for your new Pattern List Use the Nam...

Page 109: ...ly a custom pattern list that you have created Often you will have created the pattern list on your host PC but you may wish to apply it on the 980 instrument itself In order to do this you will have to transfer the pattern list from your host PC to the 980 980B prior to using it The procedure below describes these steps To apply an existing Pattern List 1 Navigate to the Navigate Images tab ...

Page 110: ...ideo Generator User Guide Rev A4 Page 110 July 14 2014 2 Transfer the Pattern List from your Host PC to the 980 980B by invoking the transfer icon indicated below The File Transfer panel appears as shown below ...

Page 111: ...e to the Instrument files using the Copy or Move button Note that you will have to highlight a directory on the Instrument Files panel in order to enable the Copy or Move button In this case since you are using the external 980 GUI Manager the Local Files are the files stored on the Host PC The following screen shows the result ...

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Page 113: ...te to the Pattern Tab on the Generator panel and select your list using the Pattern List icon on the bottom status panel as shown below The Pattern Lists dialog box will appear as shown below 5 Select the Pattern Lists icon and then the desired Pattern List as shown below ...

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Page 115: ...display in the Pattern tab window below The Path icon on the bottom status panel will display that new list 5 3 Viewing a custom Pattern List This subsection describes how you can view a custom pattern list that you have created To view an existing Pattern List 1 View the new Image List through the Navigator panel Select the Pattern List folder ...

Page 116: ...e new Pattern List will appear under User in the Local Files panel as shown above 3 Right click on the desired pattern list or select the Open icon to open up the viewing window Refer to the screen example below The Pattern List will appear in the panel as shown below ...

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Page 118: ...ditor This subsection describes how you can open a custom pattern list that you have created in the Pattern List Editor To open an existing Pattern List 1 Click on the Open activation button on the lower panel of the Pattern List Editor window The Open List dialog box appears enabling you to select a Pattern List below ...

Page 119: ...lect the list you wish to open only one list is shown in the Open List dialog box example above The Pattern List will appear in the Pattern List Editor window as shown below You can now edit the list as desired using the same techniques that you used to create the list ...

Page 120: ...d either on the embedded 980 GUI Manager or the external 980 GUI Manager The examples in this procedure use the external 980 GUI Manager 6 1 Opening a custom Format List This subsection describes how you can create a custom format list To create a custom list of test patterns 1 From the Editors Page of the Apps panel select Format List Editor from the View menu as shown below ...

Page 121: ...ng the embedded 980 GUI Manager you can access the Format List Editor from the Generator Tools tab Be sure to select the correct Transmitter on the right side The list of editors appears as shown in the screen below 1 Select the Format Editor icon The Format List Editor appears as shown below ...

Page 122: ...r using files on the 980 DP Video Generator module to create your custom list This dialog box also enables you to select the particular 980B if there are more than one on the network You can also add a new 980 through this dialog box Note Local Files when using the external 980 GUI Manager means that you are using the files stored locally on your host PC If you deselect Local Files on the dialog b...

Page 123: ...er the custom Format List is stored on the host PC not the 980 instrument itself Note that you will have to deselect Use Local Files in order to select a 980B If you do not de select Use Local Files then you will be using formats on your host PC to create your list 4 Click OK to continue The left side window of the Format List Editor will display the files on the 980 DP Video Generator module in t...

Page 124: ...ight side of the Format List Editor window There are three buttons in the middle between the two panels that enable you to configure the formats in your Format List These are defined as follows Append Add a new format to the end of your list Insert Insert a new format into your accumulating list above the test pattern that is highlighted in the Data List on the right Delete Delete or remove a form...

Page 125: ...re formats that are in the EDID of the connected display 6 Click on the Save activation button when you are done configuring your custom list You will be asked to enter a name for your new Format List Use the Name field provided below 7 Click on any format if you wish to rename it for convenience ...

Page 126: ...Applying a custom Format List This subsection describes how you can apply a custom format list that you have created To apply an existing Format List 1 Navigate to the Formats Tab and select your list using the Format List icon on the bottom status panel as shown below ...

Page 127: ... Format Lists dialog box will appear as shown below 2 Select the desired format list The result is that there will be a restricted list of formats available and display in the Format tab window below The Path icon on the bottom status panel will display that new list ...

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Page 129: ...st This subsection describes how you can view a custom format list that you have created To view an existing Format List 1 View the new Format List through the Navigator panel Select the Format List folder 2 The new Format List will appear under User in the Local Files panel as indicated above ...

Page 130: ... This subsection describes how you can open a custom format list that you have created To open an existing Format List for editing 1 Click on the Open activation button on the lower panel of the Format List Editor window The Open List dialog box appears enabling you to select a Format List below ...

Page 131: ... A4 Page 131 July 14 2014 2 Select the list you wish to open only one list is shown in the Open List dialog box example above The Format List will appear in the Format List Editor window as shown below You can now edit the list as desired ...

Page 132: ...ormats creating custom formats and viewing format parameters The Format Editor can be run on the embedded 980 GUI Manager or on the external 980 GUI Manager 7 1 Accessing the Format Editor Use the following procedures to access the Format Editor To access the Format Editor 1 Access the Format Editor through the Editors Page of the Apps panel as shown below ...

Page 133: ...at Editor through the Format tab using the Edit button on the bottom of the window indicated below When you first open the Format Editor the window will be blank as shown below There are a set of activation buttons on the bottom of the screen that enable you to load save and create formats ...

Page 134: ...lease note that you can also invoke the Format Editor from the Generator panel s Format tab as shown below In this case the Format Editor is provisioned with the format timing settings of the format that had been selected in the Format tab window This is shown below ...

Page 135: ... the Format Editor menu buttons Button Description Use Activates the custom format you create New Format Opens up the New Format at the Timing tab Enables you to create new formats This is equivalent to selecting the New Format from the File menu Open Enables you to browse to and open an xml format file on your PC This is equivalent to clicking on the Open activation button Save Enables you to sav...

Page 136: ...lated window will appear as shown below There are a series of tabs on the top as shown below The following table describes the top level tabs in the Format Editor Tab Description Function Timing Selecting the Timing tab opens up an application screen that enables you to define the timing parameters for a custom format or modify the timing parameters of an existing format ...

Page 137: ...ese parameters of an existing format Digital Audio Selecting the Digital Audio tab opens up an application screen that enables you to define the digital audio parameters for a custom format or modify these parameters of an existing format AFD Selecting the AFD tab opens up an application screen that enables you to define the AFD parameters for a custom format or modify these parameters of an exist...

Page 138: ...3 1 New Format Timing Tab The Timing window of the Format Editor is shown below This window is activated by pressing the Timing tab The main panel of the Timing tab is shown below The table that follows describes each of the fields in the main panel of the Timing tab ...

Page 139: ...ds Time of the horizontal sync pulse Parameter HSPW Vertical Rate The vertical frame rate of the format Parameter VRAT Active The number of active lines machine or milliseconds Time of the vertical video Parameter VRES Blank The number of active lines Machine or milliseconds Time of the vertical video This parameter is calculated Total The total number of active lines Machine or milliseconds Time ...

Page 140: ...g these fields is modified 7 3 2 New Format Timing Tab Right Side Panel The right side panel of the Timing tab in the Format Editor is shown below The table that follows describes each of the fields in the panel The table that follows describes each of the fields in the main panel of the Timing tab Tab Field Description Function Pixel Rate Machine Activates the fields in the timing tab window such...

Page 141: ...he pixel clock output appears on the special sync BNC connector Pre Emphasis Not applicable to DP Enables and disables adding pre emphasis to the Open LVDI digital outputs on generators that support LVDI outputs DC Balance Not used Flat Front Porch Not applicable to DP Determines if composite sync will have all equalization pulses removed in the vertical sync front porch delay period as required b...

Page 142: ...ew Format General Tab Top Left Panel The top left panel of the General tab in the Format Editor is shown below The table that follows describes each of the fields in the top left panel of the General tab Field Entity Type Description Function Horizontal Entry field The horizontal aperture of the display under test Vertical Entry field The vertical aperture of the display under test Unit Size Radio...

Page 143: ...h Pull down menu Establishes the number of data bits that represent each active pixel in video memory frame buffer Parameter PELD There are three settings Default uses the generator default 8 8 bits per pixel 256 colors 24 24 bits per pixel 16 777 216 colors 7 3 6 New Format General Tab Center Panel The center paneI of the GeneraI tab in the Format Editor is shown below The table below describes t...

Page 144: ...Sync 6 ACS DCS DSS Analog Composite Sync Digital Composite Sync and Digital Separate Sync 7 DPMS OFF 8 DPMS Suspend 9 DPMS Standby 10 DPMS ON Note Several options are not shown and are not applicable to HDMI ACS Type Not used Not used for DP DCS Type Not used Not used for DP SubCarrier Not used Not used for DP 7 3 7 New Format General Tab Right Panel The right panel of the General tab in the Forma...

Page 145: ...deo outputs The following are the selections Interpolate Measure Interpolate Measure Set Absolute Test Levels Analog Color Order Not used for HDMI Pull down select Sets the mapping of the analog video colors to the video output connections Parameter AVCO The following are the selections RGB R to R G to G B to B default RBG R to R B to G G to B GRB G to R R to G B to B GBR G to R B to G G to B BRG ...

Page 146: ...igital vertical sync output Digital Sync Polarity Not used for HDMI Select buttons H Determines whether the digital horizontal sync pulse polarity is positive going or negative going V Determines whether the digital vertical sync pulse polarity is positive going or negative going C Determines whether the digital composite sync pulse polarity is positive going or negative going Video Gate Select bu...

Page 147: ... quantization range for the digital video Parameter DVQM The values available are described in CIA 861E 0 Full Range for computer applications 1 for testing the undershoot overshoot signal code margins 2 Limited range for reduced range required by television standards Clocks per Pixel Entry field Specifies the number of clocks per pixel double clocking factor for whole line Parameter NCPP This par...

Page 148: ... select Specifies which digital output is active through the HDMI interface Allowable values are DVI Enables DVI mode out the DVI output or the HDMI output HDMI Enables HDMI mode out the HDMI output Parameter XVSI Sampling Mode Pull down select Specifies the digital sampling mode Allowable values are Default RGB 4 4 4 4 2 2 Color difference components are sampled at half the pixel rate Luminance i...

Page 149: ...he tab The table below describes each of the fields in the Digital Audio tab Field Type Description Function Signal Interface Not used for DP Pull down select Sets the digital audio signal interface The valid values are None Use DP SPDIF AES3 not used AESid not used TOSlink optical not used MiniPlug not used Signal Type Pull down select Sets the digital audio signal interface The valid values are ...

Page 150: ... 48 0kHz 88 2kHz 96 0kHz 176 4kHz 192 0kHz Parameter is ARAT Number of Streams Entry field Sets the digital audio streams The valid value is 1 Parameter is NDAS Number of Channels Entry field Sets the digital audio sampling rate for linear PCM The valid values are 2 through 8 Parameter is NDAC Bits per Sample Pull down select Sets the digital audio sampling rate for linear PCM The valid values are...

Page 151: ...nel gate The valid values are 0 through 255 Refer to EIA CEA 861 7 6 New Format AFD Tab The Format Editor AFD tab is shown below The table that follows describes each of the fields in the tab The table that follows describes each of the text entry fields in the AFD tab Heading Field Description Function Active Format Content Aspect Ratio Sets the aspect ratio of the source image content The valid ...

Page 152: ... Content Apert Map Enables you to set the mapping type for mapping CXAR shaped image content into the extended EXAR shaped aperture Signal from Extended Apert Map Enables you to set the mapping type for mapping EXAR shaped image content into the SXAR shaped signal interface Bars Left Sets the left side letterbox bars in pixels Right Sets the right side letterbox bars in pixels Top Sets the top let...

Page 153: ...er Guide Rev A4 Page 153 July 14 2014 7 7 Format Editor Open This subsection defines the Open Format dialog box The Open Format dialog box is shown below This enables you to open an existing format file from your 980 instrument ...

Page 154: ...14 2014 7 8 Format Editor Save This subsection defines the Save File dialog box The Save dialog box is shown below You use the Save function to store a format that you have defined You can either save it to your PC Local tab or the 882 instrument Remote tab ...

Page 155: ... create a new format using the Format Editor To create a new format using the Format Editor 1 Access the Format Editor using the procedures described in Accessing the Format Editor The Format Editor appears 3 Click the New activation button on the bottom of the panel indicated above The Timing tab of the format definition page appears as shown below ...

Page 156: ...rator User Guide Rev A4 Page 156 July 14 2014 4 Open an existing file to work from by clicking on the Open activation button near the bottom of the window indicated above The open file dialog box appears as shown below ...

Page 157: ...fields are disabled for editing Fields in red with the calculator icon cannot be modified However you can change whether a field can be modified by clicking on the calculator icon which will cause it to change to a pencil icon allowing you to change its value Upon modifying a format value hit the enter key to invoke the change The Format Editor applies the new value to the timing algorithm and upd...

Page 158: ... Rev A4 Page 158 July 14 2014 8 Save the new format a Click the Save activation button or the select Save from the File pull down menu to save the format The Save dialog box appears as shown below b Enter new format name in Name field ...

Page 159: ...tor This enables you to quickly run tests a display by tweaking a few timing parameters at a time To modify an existing format with the Format Editor 1 Access the Format Editor using the procedures described in Accessing the Format Editor The Format Editor appears 4 Click the Open activation button on the bottom of the panel indicated above A dialog box enabling you to scroll and select a format a...

Page 160: ...lp you modify the format parameters When selecting a parameter to modify on the Timing tab ensure that the value is editable To be editable the field either needs to have a pencil icon next to it or a black field background Gray fields are disabled for editing Fields in red with the calculator icon cannot be modified However you can change whether a field can be modified by clicking on the calcula...

Page 161: ...Active field under Pixels in the Horizontal area You will notice that the Format Editor has calculated and written values to the Blank and Period fields as indicated by the red calculator symbol Although the Period value has not changed the Format Editor still indicates it is a calculated value by displaying the red calculator To apply the format settings on the generator click the Use activation ...

Page 162: ...wing the link training status Viewing the link training and HDCP transactions using the ACA refer to Auxiliary Channel Analyzer ACA Utilities This section provides procedures for using the network analyzer functions The analyzer features are only available through the embedded 980 GUI Manager through the touch display 8 1 Accessing the Network Analyzer feature Use the following procedures to acces...

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Page 164: ...ic confidence test to verify that the incoming video is essentially correct There is a dashboard on the top of the panel indicating the essential video characteristics There is a set of controls on the right 8 2 Network Analyzer Dashboard This subsection describes the dashboard components on the top of the Network Analyzer panel Refer to the table below for a description of these components Networ...

Page 165: ...number of vertical lines in the blanking and its polarity e g 5 lines positive Start The starting pixel and line in the active video determined from the main stream attributes Colorimetry and bit depth The colorimetry and bit depth determined from the main stream atttributes Scan The scan type used progressive e g Prog or interlaced Inter determined from the main stream attributes Fourth Row Items...

Page 166: ...ion of the 980 HDMI Video Generator module and the Rx Real Time view of the 980 HDMI Protocol Analyzer module Start Stop The Start Stop button is used to enable and disable the showing of the incoming video image Video The video button and associated pull down menu not shown is used to display the Video Info panel which provides timing resolution and other basic information about the incoming vide...

Page 167: ...as shown below Note the second PC shown is used for the 980 GUI Manager application Connection for DP sink emulation 980B 8 5 Controlling the Network Analyzer This subsection provides procedures on how to control the Network Analyzer features 8 5 1 Viewing the Link Training status The 980 DP Video Analyzer enables you to view the link training status with a DP 1 2 source 1 Access the Rx Control an...

Page 168: ...980 DP Video Generator User Guide Rev A4 Page 168 July 14 2014 2 Enable the Rx port from the Rx Control and Configuration dialog box ...

Page 169: ... a location on the video You can also move to the adjacent pixels with the green arrow buttons provided in the dialog box 3 Read the pixel values on the dialog box provided The pixel values X for the horizontal Y for the vertical are provided in both hex and decimal 8 5 3 Setting the video image size and aspect ratio The 980 DP Video Analyzer enables you to set the size and aspect ratio of the inc...

Page 170: ...980 DP Video Generator User Guide Rev A4 Page 170 July 14 2014 The example below shows Image Scale set to Scaled ...

Page 171: ...play Note In order to set the Quality and the Aspect Ratio you have to set the size to 1 1 8 5 4 Setting the EDID for the Rx port The 980 DP Video Analyzer enables you to set Rx ports EDID for emulation The 980 GUI provides an EDID Editor enabling you to create your own custom EDIDs You can also capture EDIDs from the 980 DP Video Generator s Tx ports and save them for testing on the Rx port Also ...

Page 172: ...t will emulate the EDID you selected Refer to the section in the User Guide entitled Capturing EDIDs of a connected display for instructions on how to capture EDIDs from HDTVs 8 5 5 Generating Hot Plug The 980 DP Video Analyzer enables you to generate a hot plug to cause a source device to read and EDID and initiate HDCP authentication 1 Initiate a hot plug from the Tools fly out menu ...

Page 173: ...rator User Guide Rev A4 Page 173 July 14 2014 2 Select the Hot Plug tab and click on the Generate Hot Plug activation button to initiate a hot plug Refer to the dialog box below 8 5 6 Running a Pseudo Random Noise Test ...

Page 174: ...N test pattern was designed to maximize the change in pixel values between adjacent pixels 1 Select PRN Error Test from the Tools fly out menu as indicated below The PRN dialog box appears as shown below 2 Select the number of frames and click on the Start Analysis activation button to initiate the test Note The number of frames specified may not match the number of frames tested ...

Page 175: ...e edited configurations for recall when testing DP sources This enables you to emulate a variety of DPCD register configurations on the Rx port The DPCD Editor is available either the remote GUI or the embedded GUI 1 Access the DPCD Editor from the Editors page The following sample screen shots show some of the DPCD editing windows Note that each register set is selected on the left and the editin...

Page 176: ...al 980 GUI Manager from a host PC and connecting to a 980 system this text area shows the IP address of the 980 system that the external 980 GUI Manager is connected to DP module description indicating the card slot location Example slot 6 Register Address Shows the various DPCD register blocks and enables selection of them for editing their contents New Enables you to create a new file for editin...

Page 177: ...ration of the 980 DP Rx device This populates dialog boxes with the current register settings Write This writes the entire contents of the edited DPCD file to the 980 DP module s Rx port for emulation Read Page Enables you to read the DPCD register values of the selected page of the 980 DP Rx device This populates dialog boxes with the current register settings Write Page This writes the contents ...

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Page 185: ... on the 980 DP Video Generator module OUT30 FMTL SMPTEBar Example 2 Query the image transmitted OUT30 IMGU Notes 1 Text case is not important 2 Since both Tx ports on the DP Video Generator module always transmit the same signal you do not have to include the port number 9 1 Video Related commands Refer to the following tables for the supported commands ALLU Command supported Y Query supported N S...

Page 186: ... Query supported Y Loads a format Takes a format name as a parameter Requires FMTU or ALLU to activate Requires FMTU or ALLU to activate Query returns the currently loaded format Examples FMTL 720p60 loads the 720p60 format FMTL returns the current value FMTU Command supported Y Query supported Y Uses the currently loaded format Takes no parameters Query returns the currently used format Example F...

Page 187: ...ed Y Sets the number of bits per component on HDMI Valid values are 8 8 bits per component 10 10 bits per component 12 12 bits per component Only affects output when color space is RGB or YCbCr 4 4 4 Requires FMTU or ALLU to activate Query returns the current setting of the number of bits per component Example NBPC 12 sets the component bit depth to 12 bits NBPC returns the current value OUTG Comm...

Page 188: ...te Query returns the current setting for the scan type Example SCAN 1 sets the output to progressive SCAN returns the current setting XVSI Command supported Y Query supported Y Sets the video interface of the unit Requires FMTU or ALLU to activate Query returns the current interface activation setting Examples XVSI 2 Sets DVI Computer formats XVSI 3 Sets DVI TV formats XVSI 4 Sets active interface...

Page 189: ...nloads page of the Quantum Data website http www quantumdata com downloads index asp Two software packages are available for upgrading the 980 1 Embedded firmware and gateware package for the 980 instrument This is a Debian software package for installation in the Linux based instrument The file extension is deb This package also includes the embedded Graphical User Interface that will be installe...

Page 190: ...Manager GUI and the embedded firmware are both being upgraded we recommend upgrading the 980 Manager first and then upgrading the embedded firmware 2 Be sure to check the release notes associated with the download files Any special installation instructions will be noted in the release notes ...

Page 191: ...Image Reference 11 1 Standard image descriptions This section provides a reference for the test patterns available with the 980 Video Generator Module 11 2 3DXTalk The 3DXTalk is an image for testing 3D crosstalk 11 2 1 Description Test image for testing 3D crosstalk ...

Page 192: ...uide Rev A4 Page 192 July 14 2014 11 3 Acer1 11 3 1 Description Special test image developed per customer specifications Consists of two sets of color bars and five blocks of characters on a white crosshatch with a black background ...

Page 193: ...DP Video Generator User Guide Rev A4 Page 193 July 14 2014 11 4 Acer2 11 4 1 Description Special test image developed per customer specifications Consists of colorbars lines of characters and a green border ...

Page 194: ... Acer4 Acer5 Acer6 11 5 1 Description Special test images developed per customer specifications Consists of large and small white circles centered on either a yellow Acer3 magenta Acer4 cyan Acer5 or white Acer6 crosshatch on a black background The Acer3 image is shown below ...

Page 195: ... 6 1 Description Special test image developed per customer specifications In the primary version five blocks of either white Acer7 or H Acer8 characters on a black background are displayed A secondary version displays black characters on a white background The Acer7 image is shown below ...

Page 196: ...Acer9 11 7 1 Description Special test image developed per customer specifications In the primary version a mostly white field is displayed with two rows of color bars at the bottom A secondary version displays a black field with the two rows of color bars at the bottom ...

Page 197: ...P Video Generator User Guide Rev A4 Page 197 July 14 2014 11 8 AFDtest 11 8 1 Description Used to test HDMI content mapping using different EIA CEA 861 B formats There are 10 different versions of this image ...

Page 198: ...8 July 14 2014 11 9 Anamorph 11 9 1 Description The primary version displays a white background with a small black pixel in the center fills the active video area A secondary version displays a black background with a small white pixel in the center ...

Page 199: ... July 14 2014 11 10 AnsiGray 11 10 1 Description The primary version displays a white background with a small black pixel in the center fills the active video area A secondary version displays a black background with a small white pixel in the center ...

Page 200: ... July 14 2014 11 11 AnsiLght 11 11 1 Description The primary version displays a white background with a small black pixel in the center fills the active video area A secondary version displays a black background with a small white pixel in the center ...

Page 201: ...o Generator User Guide Rev A4 Page 201 July 14 2014 11 12 Apple 1 11 12 1Description Special test image developed per customer specifications A secondary version shows reverse black characters on white background ...

Page 202: ...de Rev A4 Page 202 July 14 2014 11 13 Audio_L Audio_Lf Audio_R Audio_Rf Audio_X Audio_Xf 11 13 1Description Used to configure HDMI audio output signal The Audio_L is shown below For more information see Testing HDMI audio on page 305 ...

Page 203: ...udio_2 Audio_2f Audio_3 Audio_3f Audio_4 Audio_4f Audio_5 Audio_5f Audio_6 Audio_6f Audio_7 Audio_7f Audio_8 Audio_8f 11 14 1Description To support testing of HDMI audio the 882 provides 8 channel LPCM audio using an internally generated sinewave at the highest audio sampling rate 192 kHz ...

Page 204: ...deo Generator User Guide Rev A4 Page 204 July 14 2014 11 15 BarBlack 11 15 1Description Special test image developed per customer specifications A secondary version shows reverse black lines on white background ...

Page 205: ...and B green GRN and G red R or white WHT MEME1111 MEMEPlus and MEMESony EM character blocks on a black background Only the white character has a secondary version It is drawn with black characters on a white background A bitmap of a single character block is shown here The BLU_EM image is shown below 11 16 2Purpose This pattern is specified by some display manufacturers for checking and adjusting ...

Page 206: ...LU and B green GRN and G red R or white WHT and Sony EM character blocks on a black background Only the white character has a secondary version It is drawn with black characters on a white background A bitmap of a single character block is shown here The BLU_EM image is shown below 11 17 2Purpose This pattern is specified by one or more display manufacturers for checking and adjusting focus one co...

Page 207: ... purity The purity adjustment s should be performed before doing any brightness or color tests In some cases purity adjustments involve loosening and repositioning the yoke in which case purity should be adjusted prior to doing any geometry tests Method The methods used for adjusting purity on a color monitor depend on the type of monitor and CRT for example Delta In Line or Single Gun In most cas...

Page 208: ...beams striking its shadow mask with enough energy to cause the mask to heat This internal heating may be enough to cause the shadow mask to warp and give bad purity Method Set the purity image to white and allow the monitor to run for a few minutes Any mask warping shows up as a change in purity You can use a color meter to measure the change The BriteBox pattern may also be useful for measuring s...

Page 209: ...980 DP Video Generator User Guide Rev A4 Page 209 July 14 2014 11 19 Bosch 11 19 1Description Special test image developed per customer specifications This image has 6 versions ...

Page 210: ...ash I after the number of active lines indicates the format is interlaced Note The box will be the correct size only if the correct physical active video size is set in the format The Box_50mm image is shown below The secondary version draws a black box and black text on a white background 11 20 2Test Brightness control adjustment 11 20 3Purpose The wrong brightness setting may cause other tests s...

Page 211: ...etting may cause other tests such as Contrast Focus and Beam Size to be invalid An accurate brightness setting helps give repeatable measurements throughout other tests 11 21 4Method Center your light meter probe within the center square and adjust the monitor s brightness control to obtain the required light meter reading 11 21 5Test Brightness uniformity 11 21 6Purpose The light output of most p...

Page 212: ... 0 5 1 2 3 3 58 and 4 43 MHz 11 22 1Test Frequency response 11 22 2 Method When viewed on a TV screen the peak intensities of all of the bursts should match the white reference level The darkest portions between the peaks should match the black reference level The image can also be used with a TV waveform analyzer to check the frequency response of a video system One scan line of the image as it w...

Page 213: ...deo Generator User Guide Rev A4 Page 213 July 14 2014 11 23 BurstTCE 11 23 1Description Fills screen with a 0 5 MHz frequency This can be increased in 0 5 MHz increments through the Settings Rendition dialog box ...

Page 214: ...enerator User Guide Rev A4 Page 214 July 14 2014 11 24 CECTest1 CECTest2 11 24 1Description Fills screen with a 0 5 MHz frequency This can be increased in 0 5 MHz increments through the Settings Rendition dialog box ...

Page 215: ...the boxes also are inverted 11 25 2Test Verify monitor resolution 11 25 3Purpose The resolution of your monitor should meet or exceed the design specifications 11 25 4 Method First adjust the brightness contrast and focus to their correct settings You should be able to see individual and distinct pixels in each of the boxes Failure to see distinct pixels may indicate you have a defective video amp...

Page 216: ...ondary version has five white boxes reverse 11 26 2Test Contrast ratio 11 26 3Purpose The pattern is based on a proposed ANSI method of measuring the contrast ratio of video projection systems Method Using a light meter probe measure and record the light level reading in foot lamberts in the center of each of the black and white boxes The contrast ratio is expressed as the average of all of the wh...

Page 217: ...ondary version has five white boxes reverse 11 27 2Test Contrast ratio 11 27 3Purpose The pattern is based on a proposed ANSI method of measuring the contrast ratio of video projection systems Method Using a light meter probe measure and record the light level reading in foot lamberts in the center of each of the black and white boxes The contrast ratio is expressed as the average of all of the wh...

Page 218: ...980 DP Video Generator User Guide Rev A4 Page 218 July 14 2014 11 28 Check_02 11 28 1Description Primary version is shown below The secondary version has reverse black lines on white background ...

Page 219: ...t Verify monitor resolution 11 29 3Purpose The resolution of your monitor should meet or exceed the design specifications 11 29 4 Method Adjust the brightness contrast and focus to their correct settings first You should be able to see individual and distinct pixels in each of the boxes Failure to see distinct pixels may indicate you have a defective video amplifier focus correction circuit or pic...

Page 220: ...r type For example you can specify one tile to use 12 bit deep color and the other checker tile to use 10 bit color You can then view the image and see whether distinquish between the two checker types You need to set the pixel depth in the generator to 24 bit PELD 32 in order to access 512 grayscale or color levels for each tile for a single image rendered on a display The following is a sample o...

Page 221: ...n below the image consists of five large white circles on a black background The circles are positioned in the center and in the corners of the active video area The secondary version inverts the image to black circles on a white background 11 31 2Purpose This pattern is specified by some monitor manufacturers for checking and adjusting video scan size linearity and over scanning ...

Page 222: ... consists of eight small white circles on a black background The circles are positioned in the corners of the active video area and centered on each edge of the active video area The secondary version inverts the image to black circles on a white background 11 32 2Purpose This pattern is specified by some monitor manufacturers for checking and adjusting video scan size linearity and over scanning ...

Page 223: ...on how the display interprets the video information 11 33 2Test Verify that all video channels are functional 11 33 3Purpose To verify that none of the video channels are bad or connected incorrectly 11 33 4Method Compare the sequence of color bars with the table Missing bars may indicate a dead or unconnected channel The transition between the bars should be sharp and distinct Each bar should als...

Page 224: ...980 DP Video Generator User Guide Rev A4 Page 224 July 14 2014 11 34 ComFocus 11 34 1Description Special test image developed per customer specifications ...

Page 225: ...deo Generator User Guide Rev A4 Page 225 July 14 2014 11 35 Crosshtch 11 35 1Description Use the following pattern to check and adjust geometric distortion focus beam shape and convergence or color registration ...

Page 226: ...be orbiting around a larger multicolored cube Each cube also is spinning on its own axis The default text string is Quantum Data which can be changed using commands The primary version shown below has a black background and a thick green border The secondary version uses a white background 11 36 2Purpose Can be used for show demonstrations with your own text ...

Page 227: ...980 DP Video Generator User Guide Rev A4 Page 227 July 14 2014 11 37 CUBES3D 11 37 1Description Test image for testing 3D motion ...

Page 228: ...980 DP Video Generator User Guide Rev A4 Page 228 July 14 2014 11 38 DecodAdj 11 38 1Description To check the color decoder performance to determine if the decoder over emphasizes red or green colors ...

Page 229: ...980 DP Video Generator User Guide Rev A4 Page 229 July 14 2014 11 39 DecodChk 11 39 1Description To check the color decoder performance to determine if the decoder over emphasizes red or green colors ...

Page 230: ...980 DP Video Generator User Guide Rev A4 Page 230 July 14 2014 11 40 Diamond1 11 40 1Description Special test image developed per customer specifications ...

Page 231: ...11 41 Dot1606 Dot1610 Dot1612 Dot1615 Dot1812 Dot1815 Dot2016 11 41 1Description The primary version has white pixel dots on a black background The secondary version has black pixel dots on a white background The primary version of the Dot2016 image is shown below ...

Page 232: ...erator calculates the ratio and then finds the closest match from the following table The primary version has white pixel dots on a black background A secondary version has black pixel dots on a white background The primary version of the Dot_24 image is shown below 11 42 2Purpose To accurately produce an image on a color monitor the three electron beams in the CRT must meet converge at the same l...

Page 233: ...After the center of the display is properly converged the outer areas are adjusted by using the monitor s Dynamic Convergence controls The number of controls the area of the screen they affect and their adjustment procedure depends on the monitor under test 11 42 4Test Focus adjustments 11 42 5Purpose An out of focus monitor displays fuzzy pixels which in turn result in poorly formed and hard to r...

Page 234: ...nd DVI digital output for the active format This image displays the current video swing value over a graduated ramp background This image is supported by HDMI boards revision F or later and DVI boards with FPGA F1 or later Note The DVSC command can be used to set the swing value between 150 and 1500 mVp p 11 43 2Method To adjust the swing in 6 mV increments press the Contents key and then the Opti...

Page 235: ...A4 Page 235 July 14 2014 11 44 Dyna 11 44 1Description This image has multiple versions that display different sizes of the same pattern Version 0 is shown below 11 44 2Description Displays EDID from the display connected with the generator ...

Page 236: ...980 DP Video Generator User Guide Rev A4 Page 236 July 14 2014 11 45 EdidData Edid2 11 45 1Description Displays EDID from the display connected with the generator ...

Page 237: ...980 DP Video Generator User Guide Rev A4 Page 237 July 14 2014 11 46 EdidHdmi1 EdidHdmi2 11 46 1Description Displays EDID from the HDMI display connected with the generator ...

Page 238: ...980 DP Video Generator User Guide Rev A4 Page 238 July 14 2014 11 47 Elbit 11 47 1Description Special test image developed per customer specifications This image has 19 versions ...

Page 239: ...white characters on a black background The secondary versions draw black characters on a white background The EMITest1 image is shown below The EMITest2 image is the same as EMITest1 but with the bottom row of characters constantly drawn left to right and then cleared The EMITest3 image is the same as EMITest1 but with a larger version of the H character The EMITest4 image is the same as EMITest3 ...

Page 240: ...980 DP Video Generator User Guide Rev A4 Page 240 July 14 2014 ...

Page 241: ... images used for electro magnetic interference EMI testing of displays The entire active video area is filled with an H character The primary versions of these images draw white characters on a black background The secondary versions draw black characters on a white background The EMITest1 image is shown below ...

Page 242: ...t60 Flat67 Flat73 Flat80 Flat87 Flat93 FlatGray Flat_01 Flat_02 Flat_03 Flat_04 Flat_05 Flat_06 Flat_07 Flat_08 Flat_09 Flat_10 Flat_11 Flat_12 Flat_13 Flat_14 Flat_15 Flat_16 11 50 1Description The entire active video area is filled with a shade of gray Each image displays a different shade of gray The FlatGray image is shown below ...

Page 243: ...980 DP Video Generator User Guide Rev A4 Page 243 July 14 2014 11 51 Flat_B Flat_G Flat_R 11 51 1Description The screen is filled with blue B green G or red R The Flat_B image is shown below ...

Page 244: ...980 DP Video Generator User Guide Rev A4 Page 244 July 14 2014 11 52 FlashRGB 11 52 1Description The screen is filled with blue B green G or red R ...

Page 245: ...980 DP Video Generator User Guide Rev A4 Page 245 July 14 2014 11 53 Focus20 11 53 1Description Primary version shown below The secondary version has black characters on a white background ...

Page 246: ...980 DP Video Generator User Guide Rev A4 Page 246 July 14 2014 11 54 FocusC14 11 54 1Description Primary version shown below The secondary version has black characters on a white background ...

Page 247: ...980 DP Video Generator User Guide Rev A4 Page 247 July 14 2014 11 55 FocusCCx 11 55 1Description Primary version shown below The secondary version has black characters on a white background ...

Page 248: ...980 DP Video Generator User Guide Rev A4 Page 248 July 14 2014 11 56 FocusEM 11 56 1Description Primary version shown below The secondary version has black characters on a white background ...

Page 249: ...980 DP Video Generator User Guide Rev A4 Page 249 July 14 2014 11 57 FocusEMP 11 57 1Description Primary version shown below The secondary version has black characters on a white background ...

Page 250: ...980 DP Video Generator User Guide Rev A4 Page 250 July 14 2014 11 58 FocusM00 FocusM15 11 58 1Description The FocusM00 image is shown below ...

Page 251: ...below 11 59 2Test Focus adjustments 11 59 3Purpose An out of focus monitor displays fuzzy graphic images and poorly formed hard to read text characters 11 59 4Method On monitors with a single static focus adjustment adjust the control for the best average focus over the entire screen The focus at certain locations of the screen should be within specified limits Some monitors have a static and one ...

Page 252: ... 11 60 3Purpose An out of focus monitor displays fuzzy graphic images and poorly formed hard to read text characters 11 60 4 Method On monitors with a single static focus adjustment adjust the control for the best average focus over the entire screen The focus at certain locations of the screen should be within specified limits Some monitors have a static and one or more dynamic focus controls The...

Page 253: ...11 61 3Purpose An out of focus monitor displays fuzzy graphic images and poorly formed hard to read text characters 11 61 4 Method On monitors with a single static focus adjustment adjust the control for the best average focus over the entire screen The focus at certain locations of the screen should be within specified limits Some monitors have a static and one or more dynamic focus controls The ...

Page 254: ...v A4 Page 254 July 14 2014 11 62 Focus_MM 11 62 1Description In the primary version shown below the screen is filled with white M characters on a black background The secondary version is drawn with black characters on a white background ...

Page 255: ... 11 63 3Purpose An out of focus monitor displays fuzzy graphic images and poorly formed hard to read text characters 11 63 4 Method On monitors with a single static focus adjustment adjust the control for the best average focus over the entire screen The focus at certain locations of the screen should be within specified limits Some monitors have a static and one or more dynamic focus controls The...

Page 256: ...4 2014 11 64 FontViewer 11 64 1 Description A listing of the data contained in any format The primary image lists the settings of the format driving the display The secondary image can be used to list the contents of any stored format via the Location field ...

Page 257: ... A listing of the data contained in any format The primary image lists the settings of the format driving the display The secondary image can be used to list the contents of any stored format via the Location field This pattern works best at display resolutions of at least 640 pixel by 480 lines ...

Page 258: ...eo Generator User Guide Rev A4 Page 258 July 14 2014 11 66 Geom_1 Geom_5 11 66 1Description The primary version of the Geom_1 image is shown below Secondary version is drawn with black lines on a white background ...

Page 259: ...980 DP Video Generator User Guide Rev A4 Page 259 July 14 2014 11 67 Gray25 Gray40 11 67 1Description The Gray25 image is shown below ...

Page 260: ... 68 3Purpose To verify that a color monitor accurately reproduces colors at all intensities 11 68 4Method Perform the Brightness Control Adjustment and Brightness Uniformity tests first Changes in brightness from bar to bar should be uniform All of the bars should appear as an untinted gray at all levels 11 68 5Test Video gain linearity monochrome monitors 11 68 6 Purpose To check the video linear...

Page 261: ...980 DP Video Generator User Guide Rev A4 Page 261 July 14 2014 11 69 GrayL1 GrayL3 11 69 1Description The GrayL1 image is shown below ...

Page 262: ...tor User Guide Rev A4 Page 262 July 14 2014 11 70 Grays5 Grays9 Grays11 Grays16 Grays32 Grays64 11 70 1Description These images have the designated number of full height vertical graybars The Grays11 image is shown below ...

Page 263: ...980 DP Video Generator User Guide Rev A4 Page 263 July 14 2014 11 71 GraysAll 11 71 1Description Contains 256 grayscale versions from 0 full black to 255 full white ...

Page 264: ...980 DP Video Generator User Guide Rev A4 Page 264 July 14 2014 11 72 GraysMHL 11 72 1Description Contains 256 grayscale versions from 0 full black to 255 full white ...

Page 265: ...980 DP Video Generator User Guide Rev A4 Page 265 July 14 2014 11 73 Gray_PIC 11 73 1Description A solid gray box fills the active video area ...

Page 266: ...econdary versions draw horizontal stripes The primary version of the Grill_44 image is shown below 11 74 2Test Verify monitor resolution 11 74 3Purpose The resolution of your monitor should meet or exceed the design specifications 11 74 4Method First adjust the brightness contrast and focus to their correct settings You should be able to see individual and distinct stripes in all areas of the disp...

Page 267: ...14 11 75 GRN_EM GRM_EM GRN_HTCH GRN_PIC 11 75 1Description In the primary version the screen is filled with green GRN character blocks on a black background Only the white character has a secondary version It is drawn with black characters on a white background ...

Page 268: ...980 DP Video Generator User Guide Rev A4 Page 268 July 14 2014 11 76 H_Stair 11 76 1Description The active video area goes from full black at the bottom edge of the screen to full white at the top edge ...

Page 269: ...980 DP Video Generator User Guide Rev A4 Page 269 July 14 2014 11 77 HalfArea 11 77 1Description Primary version shown below Secondary version is drawn with black boxes and white background ...

Page 270: ...980 DP Video Generator User Guide Rev A4 Page 270 July 14 2014 11 78 HalfClk 11 78 1Description ...

Page 271: ...980 DP Video Generator User Guide Rev A4 Page 271 July 14 2014 11 79 Hat1606 Hat1610 Hat1612 Hat1615 11 79 1Description Primary version of Hat1606 is shown below Secondary version is inversed ...

Page 272: ...980 DP Video Generator User Guide Rev A4 Page 272 July 14 2014 11 80 Hat1606A Hat1610A Hat1612A Hat1615A 11 80 1Description Primary version of Hat1606A is shown below Secondary version is inversed ...

Page 273: ...980 DP Video Generator User Guide Rev A4 Page 273 July 14 2014 11 81 Hat1812 Hat1815 11 81 1Description Primary version of Hat1812 is shown below Secondary version is inversed ...

Page 274: ...980 DP Video Generator User Guide Rev A4 Page 274 July 14 2014 11 82 Hat1812A Hat1815A 11 82 1Description Primary version of Hat1812A is shown below Secondary version is inversed ...

Page 275: ...980 DP Video Generator User Guide Rev A4 Page 275 July 14 2014 11 83 Hat2016 11 83 1Description Primary version is shown below Secondary version is inversed ...

Page 276: ...980 DP Video Generator User Guide Rev A4 Page 276 July 14 2014 11 84 Hat2016A 11 84 1Description Primary version is shown below Secondary version is inversed ...

Page 277: ...d then finds the closest match from the table on the next page Version names indicate the drawing method as follows Versions ending in i draw from the inside center out Any partial boxes are placed around the perimeter of the image Versions ending in o draw from the outside in Any partial boxes are placed along the centerlines of the image Versions ending in s are the i version plus a 1 pixel thic...

Page 278: ...r monitors fall into two main categories The first set of adjustments usually called Static Convergence aligns the three beams in the center of the display This method involves turning on all three guns and adjusting the various magnets on the convergence assembly to produce all white dots in the center of the display The convergence assembly is located on the neck of the CRT Different monitors an...

Page 279: ...o Generator User Guide Rev A4 Page 279 July 14 2014 11 86 Hatch_16 Hatch_20 11 86 1Description The primary version of the Hatch_16 image is shown below The secondary versions draw black lines on a white background ...

Page 280: ...980 DP Video Generator User Guide Rev A4 Page 280 July 14 2014 11 87 Hatch20 11 87 1Description Primary version shown The secondary version draws black lines on a white background ...

Page 281: ...me display manufacturers test procedures The primary version consists of white crosshatch and circles on a black background The secondary version inverts the image to black lines on a white background The primary version of the Hatch4x3 image is shown below 11 88 2Purpose This is a general purpose test image that can be used to check and adjust video scan linearity and geometry and color convergen...

Page 282: ...added in the center The secondary version inverts the image to black lines and box on a white background 11 89 2Purpose Method This is a general purpose test image that can be used to check and adjust video scan linearity and geometry and color convergence The large white rectangle also allows for checking a display s high voltage regulation This is done by observing the vertical lines at the left...

Page 283: ...980 DP Video Generator User Guide Rev A4 Page 283 July 14 2014 11 90 HdcpProd Hdcp2 11 90 1Description Used with HDCP feature ...

Page 284: ... Guide Rev A4 Page 284 July 14 2014 11 91 Hitatchi 11 91 1Description Special test image developed per customer specifications The image consists of a 2x2 cluster of Microsoft Windows screen simulations using Japanese characters ...

Page 285: ...erator User Guide Rev A4 Page 285 July 14 2014 11 92 HiLoTrk 11 92 1Description The image consists of the middle of the 100 percent white bottom portion is a 97 5 percent white box within a larger 95 percent white box ...

Page 286: ...980 DP Video Generator User Guide Rev A4 Page 286 July 14 2014 11 93 HSVnRGB 11 93 1Description ...

Page 287: ...980 DP Video Generator User Guide Rev A4 Page 287 July 14 2014 11 94 Imex1 11 94 1Description ...

Page 288: ...980 DP Video Generator User Guide Rev A4 Page 288 July 14 2014 11 95 InFocus1 11 95 1Description Special test image developed per customer specifications ...

Page 289: ...980 DP Video Generator User Guide Rev A4 Page 289 July 14 2014 11 96 InFocus2 11 96 1Description Special test image developed per customer specifications ...

Page 290: ...4 2014 11 97 KanjiKAN 11 97 1Description In the primary version shown below the screen is filled with white Japanese Kan characters on a black background The secondary version is drawn with black characters on a white background 11 97 2Test Focus adjustments ...

Page 291: ...rator User Guide Rev A4 Page 291 July 14 2014 11 98 L80 11 98 1Description Special test image developed per customer specifications Each image has three versions The primary version of the LGLCDTVB image is shown below ...

Page 292: ... Rev A4 Page 292 July 14 2014 11 99 LGLCDTVB LGLCDTVG LGLCDTVR LGLCDTVW 11 99 1Description Special test image developed per customer specifications Each image has three versions The primary version of the LGLCDTVB image is shown below ...

Page 293: ...Guide Rev A4 Page 293 July 14 2014 11 100 LGRamp 11 100 1 Description Special test image developed per customer specifications The image provides a grayscale of two objects The secondary version of the LGRamp image is shown below ...

Page 294: ...ry fifth mark is slightly longer The color of the pattern can be changed with the individual video output controls 11 101 2 Test Linearity adjustment 11 101 3 Purpose To present an undistorted display the horizontal and vertical sweeps of the electron beam across the face of the CRT should be at uniform speeds Any non uniformity in the sweep causes portions of an image to stretch while other porti...

Page 295: ...enerator User Guide Rev A4 Page 295 July 14 2014 and a ruler or gauge to measure linearity over a small portion of the display Compare the number of tic marks per unit of measure with an adjacent or overlapping area ...

Page 296: ...r of the image The box is one half the height and two fifths the width of one of the crosshatch boxes Current format data is shown in the lower left quadrant of the image It shows the number of active pixels H and lines V as well as the vertical and horizontal scan rates The primary version shown below consists of a white pattern on a black background The secondary version has a black pattern on a...

Page 297: ...tment adjust the control for the best average focus over the entire screen The focus at certain locations of the screen should be within specified limits Some monitors have a static and one or more dynamic focus controls The sequence for adjusting them and the areas of the screen they affect depend on the monitor under test ...

Page 298: ...keys There are 255 distinct settings different intervals available When you first select the Lipsync image the interval is set at 0 66733 sec per audio event shown below for progressive formats and 1 333333 sec for interlaced formats When you enable subimages with Content Option the default inital screen at image rendition 0 is one sync event per 1 101100 sec for progressive formats and 2 2 sec fo...

Page 299: ...980 DP Video Generator User Guide Rev A4 Page 299 July 14 2014 11 104 MAGENTA 11 104 1 Description ...

Page 300: ...980 DP Video Generator User Guide Rev A4 Page 300 July 14 2014 11 105 Master 11 105 1 Description ...

Page 301: ...cription In the primary version the screen is filled with blue B green G red R EM character blocks on a black background Only the white character has a secondary version It is drawn with black characters on a white background A bitmap of a single character block is shown here The MESony_B image is shown below ...

Page 302: ... red R or white WHT and Sony EM character blocks on a black background Only the white character has a secondary version It is drawn with black characters on a white background A bitmap of a single character block is shown here The BLU_EM image is shown below 11 107 2 Test Focus 11 107 3 Purpose This pattern is specified by one or more display manufacturers for checking and adjusting focus one colo...

Page 303: ...CLR image set has 4 sub hues labeled 2 5 5 7 5 and 10 that represent a hue as it traverses around the perimeter of the diagram above and transitions into the adjacent hues Each such sub image depicts the chroma and value variances of one of these sub hues Each sub image provides a color block for each chroma and value level for that sub hue The value varies along the vertical axis and the chroma v...

Page 304: ...980 DP Video Generator User Guide Rev A4 Page 304 July 14 2014 11 109 MnslGM 11 109 1 Description This is a color checker image with 24 colors arranged in a checker board ...

Page 305: ...ains 4 sub hues 2 5 5 7 5 10 Each set of color blocks arranged along a horizontal axis depicts the chroma and value variations for one of the sub hues which is labeled on the left Each such horizontal set of color blocks is a cancatenation of the value and chroma variations for that particular hue These cancatenations can be derived from the MnslCLR images In other words the MnslPG image is a conc...

Page 306: ...lines on a white background across the active video area MoireX provides vertical lines MoireY provides horizontal lines The MoireX image is shown below The primary version of the MoireX33 and MoireY33 images provide a black frame around the black lines The secondary version draws a white frame around black lines The primary version of the MoireX33 image is shown below ...

Page 307: ...980 DP Video Generator User Guide Rev A4 Page 307 July 14 2014 11 112 Monoscope 11 112 1 Description ...

Page 308: ... 308 July 14 2014 11 113 MSony7 MSony8 11 113 1 Description Special test image developed per customer specifications Primary version of the MSony7 image is shown below The secondary version draws white boxes and characters with a black background ...

Page 309: ...980 DP Video Generator User Guide Rev A4 Page 309 July 14 2014 11 114 MulBurst 11 114 1 Description ...

Page 310: ...DP Video Generator User Guide Rev A4 Page 310 July 14 2014 11 115 Needle 11 115 1 Description To check and adjust for the proper geometry of display including picture centering size pincushion and linearity ...

Page 311: ...on This image provides a color bar that rotates shifts the bars to the right on an incremental basis The color bars are shifted to the right at 3 second intervals You can access additional renditions to adjust the interval between 3 10 30 and 60 seconds through the Settings Rendition dialog box ...

Page 312: ... active lines The vertical line of the cross is one 1 pixel thick for formats with an odd number of active pixels per line and two 2 pixels thick for formats with an even number of active pixels The secondary version of these images draw black lines on a white background In the Outline1 version the two diagonal lines are removed and short marker lines are added to the border lines near to where th...

Page 313: ... the neck of the CRT A rotated yoke makes any displayed image appear rotated 11 117 4 Method Place your monitor on a flat surface so the face of the CRT is perpendicular to the surface Use a ruler or gauge to measure the height of each end of the image s horizontal center line from the surface The difference between the two readings should be within specification for the monitor If it is out of sp...

Page 314: ... the correct aspect ratio to get round circles and square squares 11 117 10 Method First determine the correct physical size of the active video area for the display This information usually is given in a display s specification sheet or service manual The size should match the sizes in the format you are using The size setting of the current format can be checked using the Format test image Place...

Page 315: ...n correction should be repeated to make sure that it is still in specification 11 117 17 Test Pin and barrel distortion correction 11 117 18 Purpose If perfectly linear sweep signals are sent to a perfectly wound deflection yoke mounted on a perfect CRT you would not necessarily get a perfectly formed raster Instead you would likely get a raster that had its corners stretched away from the center ...

Page 316: ...trapezoid distortion correction should be repeated The other correction method involves adding correction signals to the deflection signal driving the yoke This method is usually found in color monitors where adding magnets to the yoke would cause problems with convergence and purity The type and number ofadjustments depends on the monitor being tested ...

Page 317: ...P Video Generator User Guide Rev A4 Page 317 July 14 2014 11 118 OverScan 11 118 1 Description To check and adjust for the proper geometry of display including picture centering size pincushion and linearity ...

Page 318: ...980 DP Video Generator User Guide Rev A4 Page 318 July 14 2014 11 119 P1 11 119 1 Description This image is a 6x6 white crosshatch without a border on a black background ...

Page 319: ...980 DP Video Generator User Guide Rev A4 Page 319 July 14 2014 11 120 P2 11 120 1 Description This image is a 4x4 white crosshatch with a border on a black background ...

Page 320: ...980 DP Video Generator User Guide Rev A4 Page 320 July 14 2014 11 121 P3 11 121 1 Description This image is a 4x4 white crosshatch with a border and a small centered white patch on a black background ...

Page 321: ...980 DP Video Generator User Guide Rev A4 Page 321 July 14 2014 11 122 P4 11 122 1 Description This image is an 8x8 white crosshatch with a border on a black background ...

Page 322: ...980 DP Video Generator User Guide Rev A4 Page 322 July 14 2014 11 123 P5 11 123 1 Description This image is an 8x8 white crosshatch with a border and a small centered white patch on a black background ...

Page 323: ...980 DP Video Generator User Guide Rev A4 Page 323 July 14 2014 11 124 P6 11 124 1 Description 16x12 pixel white crosshatch with a border on a black background ...

Page 324: ...980 DP Video Generator User Guide Rev A4 Page 324 July 14 2014 11 125 P6_Sony 11 125 1 Description 6x12 pixel white crosshatch with a border on a black background ...

Page 325: ...980 DP Video Generator User Guide Rev A4 Page 325 July 14 2014 11 126 P7 11 126 1 Description 16x12 white crosshatch with a border and a small centered white patch on a black background ...

Page 326: ...980 DP Video Generator User Guide Rev A4 Page 326 July 14 2014 11 127 P8 11 127 1 Description This image is an all black active video area The secondary version draws an all white video area ...

Page 327: ...980 DP Video Generator User Guide Rev A4 Page 327 July 14 2014 11 128 P9 11 128 1 Description This image is an all white active video area The secondary version draws an all black video area ...

Page 328: ...980 DP Video Generator User Guide Rev A4 Page 328 July 14 2014 11 129 PacketTx 11 129 1 Description Displays the InfoFrame data transmitted from the HDMI transmitter ...

Page 329: ...980 DP Video Generator User Guide Rev A4 Page 329 July 14 2014 11 130 Pairing 11 130 1 Description Displays the InfoFrame data transmitted from the HDMI transmitter ...

Page 330: ...ser Guide Rev A4 Page 330 July 14 2014 11 131 PanBars 11 131 1 Description Special test images developed per customer specifications 11 132 PdsCrt1 11 132 1 Description Special test image developed per customer specifications ...

Page 331: ...980 DP Video Generator User Guide Rev A4 Page 331 July 14 2014 11 133 PdsCrt2 11 133 1 Description Special test image developed per customer specifications ...

Page 332: ...e pixel horizontally for every 2 3 4 5 6 7 and 8 vertical frames of refresh respectively These boxes are at the bottom of the tracks In cases where the next move would cause the box to move beyond the end of its track it immediately reverses and moves the correct distance in the opposite direction for the next frame A continuously running counter appears in the upper left corner of the image The n...

Page 333: ...d a CRT with an overly long persistence time causes moving objects to leave a blurred trail 11 134 4 Method A flickering in the slower moving boxes indicates that the combination of refresh rate and phosphor persistence is not suitable for long term viewing A fading tail left behind by the faster moving boxes indicates that the display may not be suitable for viewing animated images ...

Page 334: ...980 DP Video Generator User Guide Rev A4 Page 334 July 14 2014 11 135 PgBar64H PgBar64V 11 135 1 Description Special test image developed per customer specifications The PgBar64H image is shown below ...

Page 335: ...5 July 14 2014 11 136 PgCB PgCG PgCR PgCW PgCWrgb 11 136 1 Description Special test image developed per customer specifications Primary version of PgCB is shown below The secondary versions draw all white over the last bar The PGCWrgb is shown below ...

Page 336: ...980 DP Video Generator User Guide Rev A4 Page 336 July 14 2014 11 137 Philips1 11 137 1 Description Special test image developed per customer specifications ...

Page 337: ...uly 14 2014 11 138 Pluge 11 138 1 Description The two feint vertical stripes on the left are just above and just below black level The monitor s brightness control should be adjusted so that the super black stripe is lost but the other can just be seen ...

Page 338: ...980 DP Video Generator User Guide Rev A4 Page 338 July 14 2014 11 139 PRN24bit 11 139 1 Description This image displays pseudo random noise using 24 bits per pixel color depth ...

Page 339: ...t fades from black to red and back to black The pulse is 20 T for PAL and 12 5 T for NTSC formats The second narrower line is a 2 T white sine squared pulse T 100 nSec for PAL and 125 nSec for NTSC formats The wide bar is white with sine squared edges 11 140 2 Test Video system testing This multi purpose pattern can be used with other instruments to check television K factors The modulated pulse c...

Page 340: ...be invalid An accurate brightness setting helps give repeatable measurements throughout other tests This version of the brightness box should be used if the display s specifications call for the brightness to be set with one fourth of the screen lit 11 141 4 Method Place your light meter probe within the center box and adjust the monitor s brightness control to obtain the required light meter read...

Page 341: ...ant to draw your own box use foreground as the fill color and then use the FRGB command to define the color of foreground For example IMGL raster ALLU clears display RECT foreground 100 100 100 100 dither100 FRGB 128 128 0 FRGB 192 192 64 FMTL DMT0660 ALLU FRGB 192 192 64 ...

Page 342: ...tive video area starting from full black 7 5 IRE at one edge of the screen to full white 100 IRE at opposite end of the screen There are 4 versions of this image one for each edge of the display When selected this image is displayed You can access additional versions of this image through the Settings Rendition dialog box ...

Page 343: ...024 throughout the entire range allowed by deep color support in the generator i e 36 bit pixel or 12 bit component 4096 If you set the ramp to display the maximum color depth supported by the display under test you will see a nearly uniform ramp depending on the horizontal resolution of the active format The following is a sample of the Ramp12 image is rendered on a display ...

Page 344: ... 12 bit component color the top ramp will show a near uniform ramp on the top depending on the horizontal resolution of the active format The bottom ramp will show more pronounced banding because the range of the ramp is greater than the color depth This image is used to view two specific range of grayscale or color levels ranges up to 512 throughout the entire range allowed by deep color support ...

Page 345: ...1 145 RampX 11 145 1 Description This image provides a ramp image that continuously sweeps moves to the right on an adjustable time basis When selected this image is displayed You can access additional versions of this image through the Settings Rendition dialog box ...

Page 346: ...active video area goes from full black 7 5 IRE at the left edge of the screen to full blue _B green _G or red _R at the right edge The Ramp_B image is shown below 11 146 2 Test Video gain linearity 11 146 3 Method When viewed on a TV screen the full range of grays should be visible There should be no color shifts visible ...

Page 347: ... or text fit completely within a bezel that surrounds the CRT This usually requires that you first center the blank raster on the face of the CRT and then center the image within the raster Use this image for centering the raster on the CRT 11 147 4 Method Turn up your monitor s brightness control until the raster is just visible Adjust the raster s position and size using the size and raster cent...

Page 348: ...80 DP Video Generator User Guide Rev A4 Page 348 July 14 2014 11 148 RED_EM RED_EM 11 148 1 Description In the primary version the screen is filled with red RED EM character blocks on a black background ...

Page 349: ...e solid rectangle equal 95 of the height and width of displayed video The speed of the cycle cannot be changed The secondary version has a thick white frame with a black center for the first pattern and a solid white active video area for the other pattern The first pattern of the primary version is shown below 11 149 2 Test High voltage regulation 11 149 3 Method The size of the border should not...

Page 350: ... small simulations of Microsoft Windows screens on a blue background Samsung1 or black background Samsung2 A border and centered cross are formed with repeating groups of the characters e and m The repeating characters are also used to form a rectangular patch in the upper left hand corner and a circular area in the center of the image The secondary version of Samsung2 draws a white background ...

Page 351: ...980 DP Video Generator User Guide Rev A4 Page 351 July 14 2014 11 151 Samsung3 11 151 1 Description Special test image developed per customer specifications ...

Page 352: ...980 DP Video Generator User Guide Rev A4 Page 352 July 14 2014 11 152 Samsung 4 11 152 1 Description Special test image developed per customer specifications ...

Page 353: ...980 DP Video Generator User Guide Rev A4 Page 353 July 14 2014 11 153 Samsung5 11 153 1 Description Special test image developed per customer specifications ...

Page 354: ...980 DP Video Generator User Guide Rev A4 Page 354 July 14 2014 11 154 Samsung6 11 154 1 Description Special test image developed per customer specifications ...

Page 355: ...980 DP Video Generator User Guide Rev A4 Page 355 July 14 2014 11 155 SansungB 11 155 1 Description Special test image developed per customer specifications ...

Page 356: ...or User Guide Rev A4 Page 356 July 14 2014 11 156 SamsungT 11 156 1 Description Special test image developed per customer specifications There are four versions of this image When selected the following image is displayed ...

Page 357: ...deo Generator User Guide Rev A4 Page 357 July 14 2014 11 157 Set01k 11 157 1 Description Special test image developed per customer specifications There are 8 shades of gray from full black 0 volts to full white ...

Page 358: ...User Guide Rev A4 Page 358 July 14 2014 11 158 Sharpnes 11 158 1 Description The top of this pattern is the same as the Multiburst The bottom with all its single pixel black lines allows you to fine tune the sharpness control ...

Page 359: ...iption This image displays a 16x9 white crosshatch with a large white patch moving across the screen To change the animation speed 1 Load the SlideBox image 2 Establish a terminal session with the generator see page 30 3 Enter the following commands ISUB 1 IVER 1 IMGU DELX 10 IMGU DELX 20 IMGU ...

Page 360: ...boxes are perfectly square with any fractional spaces placed around the outside edges of the image The vertical lines are two 2 pixels thick while the horizontal lines are two 2 scan lines thick Small crosses indicate the intersection of the horizontal and vertical lines when they are covered by other parts of the image All parts of the crosshatch are normally drawn using a 70 intensity level A 75...

Page 361: ... that of the crosshatch lines Circle A large circle is centered in the image It touches the top and bottom of the active video area when the aspect ratio is wider than it is high landscape type display The circle touches the left and right sides of active video when the aspect ratio is taller than it is wide portrait type display The intensity level is the same as that of the crosshatch lines The ...

Page 362: ... their indicated levels A small aperture photometer is usually required to get accurate and repeatable readings 11 160 12 Test Contrast and brightness check 11 160 13 Method On a display with properly adjusted brightness and contrast controls both the 5 and 95 contrast boxes should be clearly visible inside their larger surrounding 0 and 100 boxes 11 160 14 Test Video amplifier stability 11 160 15...

Page 363: ...11 160 19 Method The horizontal 1 on 1 off stripes in the resolution boxes should not have objectionable flicker when shown with an interlaced format Excessive flicker indicates that the combination of the display s CRT persistence and frame scan rate is below the persistence time of the human eye ...

Page 364: ...67 of the image consists of a series of color bars These bars match the order of the bars in the SMPTE and EIA patterns They are similar to the 801GX s TVBar_75 image without the last black bar The left side of the lower 25 of the image contains isolated I and Q color difference signals that match the original EIA and SMPTE patterns The I signal appears as a bluish gray bar and the Q signal appear...

Page 365: ... should hit the target test point for each color on the vectorscope s graticule If you are using PAL encoded video the signature will be similar to the one shown for the TVBar_75 test image The three legs of the vectorscope signature for the I and Q color difference signals should match the Burst I and Q reference lines on the vectorscope s graticule The following tests are based on the original S...

Page 366: ...e red and green guns on the monitor This will produce four blue bars separated by black bars Adjust the chroma phase so that the brightness of each of the two central blue bars is uniform over the entire bar The phase is correct when the bottom 10 of each bar is the same brightness as the rest of the bar 11 161 12 Test Visual black level adjustment 11 161 13 Method This test uses the lower right h...

Page 367: ...980 DP Video Generator User Guide Rev A4 Page 367 July 14 2014 11 162 Sony6 11 162 1 Description Special test image developed per customer specifications ...

Page 368: ...980 DP Video Generator User Guide Rev A4 Page 368 July 14 2014 11 163 Sony6WLC 11 163 1 Description Special test image developed per customer specifications ...

Page 369: ...t is remembered from the last time the image was set up The example below shows version 8 Red1 of the sRGBflat image A small label in the upper left corner of the image indicates the Microsoft name for the color that is currently being displayed for example sRGB Gray5 Note that some of the names that appear conflict with generator color names for example sRGB Gray5 is not the same as the generator...

Page 370: ...e right edge There are sixteen 16 steps 11 165 2 Test Video gain linearity 11 165 3 Method When viewed on a monitor s screen a black bar plus five 5 gray bars should be visible There should be no color shifts and each of the bars should be uniform in color The image also can be used with an oscilloscope or TV waveform analyzer to check the gain linearity and gamma correction of a video system ...

Page 371: ...okes0 version consists of multiple groups of separated red green and blue horizontal lines drawn on a black background The Strokes1 version consists of multiple groups of separated red green and blue diagonal lines drawn on a black background 11 166 2 Purpose These images are special purpose test patterns used in test and alignment procedures specified by some display manufacturers ...

Page 372: ...980 DP Video Generator User Guide Rev A4 Page 372 July 14 2014 11 167 TAARamp 11 167 1 Description The TAARamp pattern is shown below ...

Page 373: ...980 DP Video Generator User Guide Rev A4 Page 373 July 14 2014 11 168 Taffeta 11 168 1 Description ...

Page 374: ...an the Text_9 image The secondary versions use black text on a white background The primary version of the Text_9 image is shown below 11 169 2 Test Word processor simulation 11 169 3 Purpose If your monitor is used in word processor workstations or other applications that call for large amounts of text to be displayed you can use this image to simulate actual user conditions 11 169 4 Method Selec...

Page 375: ...ons the screen is filled with random paragraphs of white text on a black background The amount of text is determined by the size of the font used and the horizontal and vertical resolution of the format The Text_16 image uses a larger font than the Text_9 image The secondary versions use black text on a white background ...

Page 376: ...980 DP Video Generator User Guide Rev A4 Page 376 July 14 2014 11 171 ThreeBar 11 171 1 Description The screen is filled three vertical white bars on black background ...

Page 377: ...980 DP Video Generator User Guide Rev A4 Page 377 July 14 2014 11 172 TintAlign 11 172 1 Description ...

Page 378: ...econdary image is depicted below The top half of the image has three small boxes red green blue with the upper left half at 92 7 luminence and the upper right half at 50 luminence There is a series of 11 small boxes of increasing luminence left to right with the luminence identified in text The lower left quarter of the image is 28 5 luminence and the lower right is magenta at 44 3 IRE ...

Page 379: ...980 DP Video Generator User Guide Rev A4 Page 379 July 14 2014 11 174 TPVAOC1 and TPVAOC2 11 174 1 Description The TPVAOC1 pattern is shown below ...

Page 380: ...980 DP Video Generator User Guide Rev A4 Page 380 July 14 2014 11 175 TTECorp1 11 175 1 Description Special test image developed per customer specifications ...

Page 381: ...television system 11 176 4 Method When viewed on a TV screen all of the colors should be correct and in the order shown The hue and intensity of each bar should be uniform over the entire bar The image can be used with a TV waveform analyzer to check the performance of a video system Individual scan lines of each image as they would appear on a waveform analyzer are shown on the following page The...

Page 382: ...t set of adjustments usually called Static Convergence calls for aligning the three beams in the center of the display This method involves turning on all three guns and adjusting the various magnets on the convergence assembly to produce all white lines and dots in the center of the display The convergence assembly is located on the neck of the CRT Different monitors and CRT types may each requir...

Page 383: ...o be stretched while other portions will be compressed Non linearity in a monitor can show up in several ways It may be present across the entire screen a large portion of the screen or it may be localized in a very small area 11 176 10 Method Adjust the display s linearity controls so that all of the boxes in the crosshatch are identical in size You can measure the boxes with a ruler or with a ga...

Page 384: ...or User Guide Rev A4 Page 384 July 14 2014 11 177 TVBarH 11 177 1 Description The image consists of seven horizontal bars that fill the entire active video area The color and order of the bars is shown in the figure below ...

Page 385: ...980 DP Video Generator User Guide Rev A4 Page 385 July 14 2014 11 178 TVHatch 11 178 1 Description Primary version of TVHatch is shown below ...

Page 386: ... Generator User Guide Rev A4 Page 386 July 14 2014 11 179 TVoutLin 11 179 1 Description Equivalent to Outline1 image but it uses anti aliasing for vertical bars and double horizontal lines which reduces flickering ...

Page 387: ...980 DP Video Generator User Guide Rev A4 Page 387 July 14 2014 11 180 TVSplBar 11 180 1 Description Special test image developed per customer specifications ...

Page 388: ...0 DP Video Generator User Guide Rev A4 Page 388 July 14 2014 11 181 WHT_EM WHT_EM 11 181 1 Description In the primary version the screen is filled with white WHT EM character blocks on a black background ...

Page 389: ...ption A zone plate is a radially symmetric pattern with low frequencies in the middle and high frequencies near the edge It is useful for experimenting with frequency and direction sensitive filtering and also for testing the anti aliasing capability of image resizing methods END OF USER GUIDE ...

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