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VP-774AMP - Flash Memory Upgrade

Flash Memory Upgrade

You can upgrade the

VP-774AMP

via the Kramer K-UPLOAD software. Two types

of upgrade files are available for upgrade: video core and audio/graphics (*.fct) and

peripherals (*.kfw).

The latest firmware version, the Flash Memory Upgrade user guide, as
well as the latest version of K-UPLOAD and installation instructions
can be downloaded from the Kramer Web site at

http://www.kramerelectronics.com/support/downloads.asp

Note that if the Protocol is set to Legacy (via the Miscellaneous menu,
see

Section

6.8

), the Web pages may not function properly.

Содержание VP-774A

Страница 1: ...KRAMER ELECTRONICS LTD USER MANUAL MODEL VP 774AMP Presentation Switcher Scaler P N 2900 300324 Rev 2...

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Страница 4: ...Picture Menu 34 6 6 The Enhance Menu 35 6 7 The Scale Menu 36 6 8 The Miscellaneous Menu 39 7 The Display Modes 45 7 1 The Single Window Display Mode 45 7 2 The Dual Window Display Mode 45 8 Controll...

Страница 5: ...Size of the Window 23 Figure 13 Increasing the Width 24 Figure 14 Increasing the Height 24 Figure 15 Positioning the Window 25 Figure 16 Window Customization 25 Figure 17 H Position Slide Bar 26 Figu...

Страница 6: ...Settings Page Writing the Firmware 73 Figure 66 The Device Settings Page Firmware Upgrade Waiting for Restart 73 Figure 67 The Device Settings Page The Reset Device Window 74 Figure 68 The Device Sett...

Страница 7: ...s GROUP 4 Format Standards Converters GROUP 5 Range Extenders and Repeaters GROUP 6 Specialty AV Products GROUP 7 Scan Converters and Scalers GROUP 8 Cables and Connectors GROUP 9 Room Connectivity GR...

Страница 8: ...quality due to poor matching and elevated noise levels often associated with low quality cables Do not secure the cables in tight bundles or roll the slack into tight coils Avoid interference from ne...

Страница 9: ...lected and recycled To comply with the WEEE Directive Kramer Electronics has made arrangements with the European Advanced Recycling Network EARN and will cover any costs of treatment recycling and rec...

Страница 10: ...ndard definition and high definition signals K IIT XL Picture in Picture Image Insertion Technology Ultra stable picture in picture picture and picture and split screen capability or fully customizabl...

Страница 11: ...I SMPTE 259M HD SDI SMPTE 292M and 3G HD SDI SMPTE 424M Looping 3G HD SDI Input SDI channeling letting you select one active audio signal and three bypassed signals from eight embedded stereo audio ch...

Страница 12: ...Provides input and output color space control Supports HDMI deep color for inputs and output Features vertical Keystone operation Features selectable test patterns Comes with an On Screen Display OSD...

Страница 13: ...Technology HDBaseT is an advanced all in one connectivity technology supported by the HDBaseT Alliance It is particularly suitable in the ProAV and also the home environment as a digital networking a...

Страница 14: ...Button Press to move down the menu list see Section 8 1 1 and to decrease numerical values When not within the OSD menu mode press to reduce the output volume 12 MENU Button Press to access the OSD m...

Страница 15: ...Section 5 3 Note that Mic2 on the rear panel is identical to Mic2 on the front panel Mic2 on the front panel overrides Mic2 on the rear panel when connected 25 COND DYN MIC DIP switch Select between a...

Страница 16: ...or example Kramer TP 580Rxr to pass audio and video signals as well as serial commands 40 LINK LED Lights to indicate a link 41 RS 232 9 pin D sub Port Connect to the PC or other serial controller 42...

Страница 17: ...VP 774AMP Installing in a Rack 11 4 Installing in a Rack This section provides instructions for rack mounting the unit...

Страница 18: ...connector on the DVD player to the HDMI connector on the VP 774AMP via a DVI HDMI adapter You can connect the audio signal via the AUDIO IN HDMI 3 5mm mini jack or use the embedded audio 2 Connect a c...

Страница 19: ...BT RJ 45 connector to a receiver for example the Kramer TP 580Rxr 11 Connect the AUDIO LINE OUT Terminal Block connector to a balanced audio acceptor and the S PDIF OUT RCA connector to a digital audi...

Страница 20: ...14 VP 774AMP Connecting the VP 774AMP Figure 4 Connecting the VP 774AMP Presentation Switcher Scaler...

Страница 21: ...the RJ 45 Connectors This section defines the TP pinout using a straight pin to pin cable with RJ 45 connectors EIA TIA 568B Figure 5 TP PINOUT PIN Wire Color 1 Orange White 2 Orange 3 Green White 4...

Страница 22: ...lanced Stereo Audio Output Figure 7 Connecting an Unbalanced Stereo Audio Acceptor to the Balanced Output 5 3 Microphone Pinout This section defines the microphone 6mm jack pinout Figure 8 Microphone...

Страница 23: ...hy level below level 2 Function is the selectable parameter or numerical value and can appear either under level 2 or 3 6 1 OSD Menu Operation Example In the example illustrated below the Master Conne...

Страница 24: ...selection will affect the entire system The subtitle shows the current Level 3 selection and the menu list shows the function HDMI2 If the display layout includes a PiP window you can set the OSD menu...

Страница 25: ...SD menu move to the previous level and change menu settings in the OSD screen Changes are immediate The default timeout is set to 30 seconds and can be changed see Section 6 8 ENTER or button to acces...

Страница 26: ...l window mode operation both images are placed side by side with the same height see Section 7 2 E When selecting the dual window mode set the Main window or the PiP window parameters via Misc OSD Win...

Страница 27: ...each input HDMI DP and VGA inputs to be read by the video source connected to that input 1024x768 60 1280x800 60 1280x1024 60 1366x768 60 1440x900 60 1400x1050 60 1600x900 60 1600x1200 60 1680x1050 6...

Страница 28: ...ion H Width V Position and V Height see Section 6 2 1 1 and Section 6 2 1 2 M P The value range is dynamic The FW prevents windows from exceeding the boundaries or over sizing The position and size of...

Страница 29: ...osition via the Y commands see Section 13 2 or protocol 3000 see Section 13 4 6 2 1 1 Changing the Size of the Main and or PiP Window Use the H Width and V Height to change the size of the window usin...

Страница 30: ...height or to decrease the height see Figure 14 Figure 14 Increasing the Height 6 2 1 2 Moving the Position of the Main and or PiP Window Use the H Position and V Position items in the OSD to change t...

Страница 31: ...n of the window do the following 1 Check that window control is set as required for example PiP Window Control 2 Select Window Customization The following Window appears Figure 16 Window Customization...

Страница 32: ...lly Use the V Position menu item in the same way to move the PiP vertically see Figure 18 Figure 18 Moving the PiP Window Note that the sequence in which you change the size and position of the window...

Страница 33: ...changing the output level unmutes the audio signal Mic1 Volume dB to adjust the Microphone 1 audio level Mic2 Volume dB to adjust the Microphone 2 audio level Balance Set the balance ratio E Treble S...

Страница 34: ...directly to the output without any processing or set to Off to process the digital audio input E Note that this feature is disabled for the non embedded audio inputs PC and CV In case the audio signal...

Страница 35: ...nd the remaining three channels are bypassed The acceptor device will input the channels as follows the active channel is input as Group A CH1 the bypassed channel in the same group is input as Group...

Страница 36: ...ows the SDI Channeling menu Figure 22 The SDI Channeling Menu In the OSD setup that is illustrated in Figure 23 CH 2 in group B active CH1 in group B as well as CH 1 and CH2 in group A bypassed are ro...

Страница 37: ...in the connected groups is activated the remaining three channels will be automatically routed to bypass If a channel in a disconnected group is activated the system will automatically rearrange the g...

Страница 38: ...t Bypass channels to set the bypassed channels to mute to cutoff the bypassed audio channels or to Unmute to let them pass through Figure 24 SDI bypassed Channels Menu The Bypass Channels menu also li...

Страница 39: ...on image M P Set the deinterlacing per window sync to Current Field for a long delay M P Older Field for a short delay M P When selecting Older Field diagonal correction is disabled Film Mode Set to O...

Страница 40: ...0 8 1 2 1 6 2 0 2 4 or 2 8 E The higher the value the darker the image Dither Set the error diffusion E Mode0 Disable error diffusion Mode1 In frame 8 6 conversion Mode2 Intra frame 8 6 conversion Mo...

Страница 41: ...r the level the stronger the filtering of the image M P Combing NR set to improve the quality of the subtitles M P Temporal NR the higher the level the stronger the filtering of the image Useful when...

Страница 42: ...Set the Output Resolution to Native 640x480 60 640x480 75 800x600 50 800x600 60 800x600 75 1024x768 50 1024x768 60 1024x768 75 1280x768 50 1280x768 60 1280x800 60 1280x1024 50 1280x1024 60 1280x1024...

Страница 43: ...compliant in the case that the video on the Main or PiP window is HDCP encrypted Zoom Position Set H Position and V Position the horizontal and vertical zoom positions respectively to zoom into certai...

Страница 44: ...at display can be obtained By setting the output resolution to Native the VP 774AMP is triggered to read the EDID of the main display and change the output resolution value according to the native res...

Страница 45: ...he OSD menu in the dual window mode the window control can be toggled instantly with a long press of the PIP button on the front panel and a short press of the PIP button on the IR remote controller N...

Страница 46: ...d the VP 774AMP will switch to the previous last connected valid input signal and then to the input before that and so on untill the last disconnected inputs and then a No Signal screen will appear Se...

Страница 47: ...cture which looks as if the key image is cut out and pasted over the primary image This useful function of combining images from two different sources is suitable for many applications such as sub tit...

Страница 48: ...Protocol CAP CAP is an XML based application that allows a warning message to be consistently disseminated simultaneously over many warning systems to many proprietary applications and devices By usi...

Страница 49: ...ith lower levels of severity will appear as a text crawler along the bottom of the image When an alert is activated the system via P3K outputs messages according to the activation mode type see Sectio...

Страница 50: ...ernet 3 Make sure that Alert System in the Miscellaneous menu is set to On see Section 6 8 The VP 774AMP is now ready to receive any alert and display it Note that you can use the Emergency Alert Syst...

Страница 51: ...e illuminated front panel PIP button until the button no longer illuminates Access the OSD menu select INPUT Display Mode and then choose Single Window Access the Web pages see Section 8 3 Press the P...

Страница 52: ...re both images are placed side by side with the same height The window customization feature see Section 6 2 lets you customize the dual window mode layout main window and PiP window to any size and p...

Страница 53: ...the OSD menu is set to PiP Window Control you can control the PiP window and change its parameters for example select the PiP input size position and so on Section 7 2 3 3 shows how to select the PiP...

Страница 54: ...as the main source press the PIP front panel button while pressing the CV front panel button see Figure 32 In this example the DP button is illuminated and the CV button blinks Figure 32 CV superimpos...

Страница 55: ...tep 3 Press the button to move to the Misc menu and press ENTER 4 Select the OSD submenu and press ENTER 5 Select Window Control and choose PiP Window Control The OSD menu controls the PIP source 6 Pr...

Страница 56: ...and down buttons when not in the OSD mode RESET TO XGA 720p and PANEL LOCK buttons 8 1 1 Using the INPUT Front Panel buttons When selected an INPUT front panel button behaves as follows Selecting the...

Страница 57: ...ersion 35 Safari 7 For Android OS Chrome version 35 Safari 7 8 3 1 Connecting to the VP 774AMP via your Browser Note that if the Protocol is set to Legacy via the Miscellaneous menu see Section 6 8 th...

Страница 58: ...able see Section 8 3 3 1 Via a network hub switch or router using a straight through cable see Section 8 3 3 2 Note If you want to connect via a router and your IT system is based on IPv6 speak to you...

Страница 59: ...n Figure 34 Figure 34 Local Area Connection Properties Window 4 Highlight either Internet Protocol Version 6 TCP IPv6 or Internet Protocol Version 4 TCP IPv4 depending on the requirements of your IT s...

Страница 60: ...54 VP 774AMP Controlling the VP 774AMP Figure 35 Internet Protocol Version 4 Properties Window Figure 36 Internet Protocol Version 6 Properties Window...

Страница 61: ...Click Close 8 3 3 2 Connecting the Ethernet Port via a Network Hub or Switch You can connect the Ethernet port of the VP 774AMP to the Ethernet port on a network hub or using a straight through cable...

Страница 62: ...ct the DisplayPort input HDMI3 Select the HDMI 3 input HDMI4 Select the HDMI 4 input SDI Select the SDI input PC1 Select the UXGA 1 input PC2 Select the UXGA 2 input CV Select the composite video inpu...

Страница 63: ...eceiver can be located up to 15 meters away from the machine This distance can be extended to up to 60 meters when used with three extension cables Model C A35M A35F 50 Before using the external IR re...

Страница 64: ...ting an input via the front panel buttons will affect the Routing Scaling page see Section 9 1 and the Input OSD menu see Section 6 2 To browse the VP 774AMP Web pages 1 Open your Internet browser 2 T...

Страница 65: ...9 2 The Input Settings page See Section 9 3 The Enhance page see Section 9 4 The Output Settings page see Section 9 5 The Audio Settings page see Section 9 6 The RS 232 over TP page see Section 9 7 E...

Страница 66: ...rst page that appears following the loading page The column on the left shows the Routing Scaling page selected and below a list of all the other available Web pages Figure 41 The Routing Scaling Page...

Страница 67: ...select it A selected window turns green An unselected main window appears dark gray and an unselected PIP window appears light gray The list of available inputs appears on the right side of the main...

Страница 68: ...62 VP 774AMP Using the Embedded Web Pages Figure 44 The Routing Scaling Page PIP Window...

Страница 69: ...on The Resolution selector above the main area lets you change the current resolution for both images Click the green button showing the current resolution 1024x768 60 in this example to change it see...

Страница 70: ...window see Figure 48 The Auto Switching window lets you set the Main and PiP scanning mode separately to Off to disable scanning Scan mode to scan through the inputs in search of a valid input signal...

Страница 71: ...and HDMI 2 have a valid signal and auto switching is enabled the VP 774AMP will scan through the inputs and select the HDMI 2 which is higher in the priority list see Figure 48 Once the signal is no l...

Страница 72: ...Function Click to apply changes or click x to cancel changes TAKE applies to Win cust main and pip Luma keying Input source main and pip PiP status freeze blank and Zoom position zoom see Section 9 1...

Страница 73: ...r Mic 1 mix mute Line mix mute Mic2 mix mute Win cust main and pip Input source main and pip Output resolution all auto switching functions and Zoom position zoom Lock unlock the aspect ratio Saving a...

Страница 74: ...r the TAKE Confirm mode A fine red line encircles the functions that apply to the TAKE mode for example the inputs Figure 55 The Routing Scaling Page TAKE Mode Set the changes for example the MAIN win...

Страница 75: ...he Changes 9 1 5 Audio Level Sliders The Mic Line mix sliders are enabled via the Audio Settings page see Section 9 6 Figure 57 The Routing Scaling Page Audio Level Sliders Audio levels can be set or...

Страница 76: ...s the device information lets you upgrade the firmware set the Ethernet parameters and reset the device to its default values Figure 59 The Device Settings Page Any change in the device settings requi...

Страница 77: ...ing the BROWSE button in the Firmware upgrade FILE line The following window appears Figure 61 The Device Settings Page Selecting the Firmware File 2 Select the firmware file and click open The file n...

Страница 78: ...er part of the screen displays the status of each upgrade process stage The flash memory is erased and then the file is uploaded Figure 64 The Device Settings Page Firmware Upgrade Stage After the fil...

Страница 79: ...are Upgrade Waiting for Restart Following reset make sure that the updated firmware version appears in the Device Settings Firmware version 9 2 2 Factory Reset You can reset the VP 774AMP parameters t...

Страница 80: ...he Device Settings Page The Reset Device Window Check the box next to Including Ethernet to reset Ethernet parameters as well You will be asked to reload the page with the default parameter Figure 68...

Страница 81: ...de click the Web page reset button The following window appears Figure 69 The Device Settings Page Web Page Reset Click OK if you want to continue The Web page resets and the following message appears...

Страница 82: ...igure 71 lets you label the selected input on the main and PIP windows and define the input settings Figure 71 The Input Settings Page Note that Color depth is available for HDMI and DP inputs only If...

Страница 83: ...cing sync Set the deinterlacing sync see Section 6 4 Film mode Set the film mode see Section 6 4 Diagonal correction Set the level of diagonal interpolation see Section 6 4 Horizontal image shift Set...

Страница 84: ...Set the native resolution for each input and then select the color depth see EDID Select in Section 6 2 Select the EDID mode Native as Multiple Modelines generating a group of resolutions in the detai...

Страница 85: ...horizontal sharpness level see Section 6 6 Vertical sharpness Select the vertical sharpness level see Section 6 6 Color correction Set the blue green and flesh color levels see Section 6 5 Noise redu...

Страница 86: ...efine the output parameters Figure 74 The Output Settings Page Set the output resolution the aspect ratio the master connection deep color and HDCP mode see Section 6 7 as well as the vertical keyston...

Страница 87: ...cted main window input and the outputs Figure 75 The Audio Settings Page General Tab Set the input volume lipsync balance treble and bass Set the embedded audio input to pass through directly to the o...

Страница 88: ...ee Figure 76 lets you setup the microphone parameters Figure 76 The Audio Settings Page Microphones Tab Set the microphone operation mode to Talkover or Mix If Talkover is selected for both microphone...

Страница 89: ...The Audio Settings Page Setting the Mix Level You can set the maximum value of the Output Volume by using the pre limiter on the Output Volume slider Slide the pre limiter up or down to determine the...

Страница 90: ...time to define the time period talkover remains active although the signal falls below the threshold level for a short period of time Release time to define the transition time for the audio level to...

Страница 91: ...he lower part of this window shows the list of commands Figure 81 The RS 232 over TP Page the Remote Device Commands Table To write or edit a command click the edit icon The following window appears F...

Страница 92: ...r and the trigger delay time in seconds before the command is carried out note that for Manual only the trigger delay time is disabled Figure 83 The RS 232 over TP Page Setting the Trigger In this exa...

Страница 93: ...dded Web Pages 87 Click OK to save the command to the list Figure 85 The RS 232 over TP Page the Power on Command The system will send a Power on command to the projector connected to the output whene...

Страница 94: ...r further details see Section 6 8 2 Figure 86 The Emergency Alert System Page The top part lets you set the means to connect to the EAS server UDP or TCP and set the Ethernet port Click Apply to apply...

Страница 95: ...n Other Urgency Set the urgency level to Immediate Expected Future Past or Unknown Certainty Set the certainty to Very Likely Likely Possible Unlikely or Unknown Sender Type in the details of the alar...

Страница 96: ...ult the Security page is deactivated and there is no need to enter a username and password to access the Web pages Figure 88 The Security Page Security Deactivated To activate security press the ON bu...

Страница 97: ...Figure 92 The About Us Page 9 11 Save or Upload a Configuration The VP 774AMP Web page lets you upload a saved configuration or save a configuration To do so click the Upload see Figure 93 and Save se...

Страница 98: ...92 VP 774AMP Using the Embedded Web Pages When saving a configuration the file automatically saves it to the Downloads Figure 93 Loading a Configuration Figure 94 Saving a Configuration...

Страница 99: ...onnected to the VP 774AMP via the Ethernet The HDBT OUT connector on the VP 774AMP is connected via TP to an HDBT receiver This HDBT receiver connects to a display via HDMI and RS 232 Figure 95 Port T...

Страница 100: ...s By default the dedicated port settings are TCP 5050 To change these settings see the Port Tunneling Configuration in the table in Section 13 4 or via the embedded Web pages see Section 9 7 2 Set the...

Страница 101: ...graphics fct and peripherals kfw The latest firmware version the Flash Memory Upgrade user guide as well as the latest version of K UPLOAD and installation instructions can be downloaded from the Kram...

Страница 102: ...480 75 800x600 50 800x600 60 800x600 75 1024x768 50 1024x768 60 1024x768 75 1280x768 50 1280x768 60 1280x800 60 1280x1024 50 1280x1024 60 1280x1024 75 1360x768 60 1366x768 50 1366x768 60 1400x1050 50...

Страница 103: ...UDP Port 50000 Maximum UDP Ports 10 Maximum TCP Ports 4 Web page password 1234 Full Factory Reset Front panel buttons Turn power off Turn power on again while holding the RESET TO XGA 720p front pane...

Страница 104: ...85 1024x768_60 1280x768_60 1400x1050_60 1080_P60 800x600_56 1024x768_70 1280x1024_60 1400x1050_75 2k50 800x600_60 1024x768_75 1280x1024_75 1600x900_60 2k 60 800x600_72 1024x768_85 1280x1024_85 1600x12...

Страница 105: ...480i60 1080p30 800x600 60 1360x768 60 480p60 1080p50 800x600 75 1366x768 50 576i50 1080p59 94 1024x768 50 1366x768 60 576p50 1080p60 1024x768 60 1400x1050 50 720p50 2k50 1024x768 75 1400x1050 60 720p...

Страница 106: ...ether include all the protocol commands but they are not identical and do not always include the same information Some of the data may appear in one or two of the tables but not in the third table and...

Страница 107: ...d example get window control setup 721 Send y 1 721 Result 01 y 1 721 1 You can add a last parameter to be located fourth in SET or third in GET to define a specific window For example Set H Sharpness...

Страница 108: ...efinitions Symbol Meaning Space CR Carriage Return ASCII code 0x0D LF or Line Feed ASCII code 0x0A 13 2 3 Protocol Table Mimicking OSD You can associate a function number to its description and valid...

Страница 109: ...60 0 135 Applicable to input types with EDID only 1280x800 60 1 1280x1024 60 2 1366x768 60 3 1440x900 60 4 1400x1050 60 5 1600x900 60 6 1600x1200 60 7 1680x1050 60 8 1920x1200 60RB 9 720p50 10 720p60...

Страница 110: ...atio 220 Treble 18 18 dB 230 Bass 18 18 dB 240 Mic Effects Mic1 Talkover Depth 0 100 251 Unavailable in audio pass through Talkover is disabled in Mix mode Mic1 Talkover Trigger 100 23 dB 252 Mic1 Mix...

Страница 111: ...Volatile parameter unavailable in progressive scan Motion Adaptive 1 Sync Current Field 0 312 Unavailable in progressive scan Older Field 1 Film Mode Off 0 320 Unavailable in progressive scan Follow...

Страница 112: ...ogressive scan Combing NR 0 3 532 Temporal NR 0 3 533 Block NR 0 3 534 Unavailable in progressive scan Scale Aspect Ratio Follow input 0 610 1 Single window only 2 Customization lost 3 In Follow Input...

Страница 113: ...nnection HDMI1 0 632 HDMI2 1 HDBT 2 SDI 3 Deep Color Off 0 633 Follow Output 1 Color Space RGB 0 634 Not applicable to SDI output Screen may flicker YPbPr422 1 Not applicable to PC output Screen may f...

Страница 114: ...A 12 N A 13 525p60 14 625p50 15 720p60 16 720p50 17 720p24 18 720p25 19 720p30 20 1080i60 21 1080i50 22 N A 23 1080i100 24 1080p60 25 1080p50 26 1080p30 27 1080p23_976 28 1080p24 29 1080p25 30 2k50 3...

Страница 115: ...mode only Main Win is valid PiP Win 1 H Position 0 2047 722 The value range is dynamic FW prevents exceeding of boundaries V Position 0 2047 723 Transparency ON 1 724 OFF 0 Transparency Gain 0 1 1 6 7...

Страница 116: ...soid sound Including ETH 770 Excluding ETH 771 13 3 Protocol Table Mimicking Remote and Front Panel Buttons The keystroke codes operate in the following way SET command third param 0 Syntax example Y...

Страница 117: ...ually the firmware will upload to the device via a command such as LDFW A device reset may be needed to complete the process Video core Firmware update execute UPGRADES UPGRADES OK Reset configuration...

Страница 118: ...DD EVEN MARK SPACE or the first letter of these words STOPBITS 1 or 2 Audio video common commands Command Syntax Response Output volume VOLUME VOLUME PARAMETER VOLUME VOLUME PARAMETER RESULT Get outpu...

Страница 119: ...nistrator Public Get NAME End User Public Description Syntax Set Set machine DNS name NAME machine_name Get Get machine DNS name NAME Response Set nn NAME machine_name OK Get nn NAME machine_name Para...

Страница 120: ...d here http support microsoft com kb q307287 After setting DHCP_MODE to 1 or 2 you need to reset the device Change protocol Ethernet port ETH PORT PROTOCOL PORT ETH PORT PROTOCOL PORT RESULT Read prot...

Страница 121: ......

Страница 122: ...sit our Web site where updates to this user manual may be found We welcome your questions comments and feedback Web site www kramerelectronics com E mail info kramerel com SAFETY WARNING Disconnect th...

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