manualshive.com logo in svg

Murideo MU-SEVEN-G-8K, Manual, Page: 50 / 62

Share
Download
Murideo MU-SEVEN-G-8K Manual Download Page 50

50

With the Microphone connected to the SEVEN-G-8K and placed as close as possible to the speaker under 

test,  press the green OK button to initiate the ARC Audio Latency Test (note this test runs for 120 sec-

onds and will restart each time you press the OK button).  

ARM ARC LATENCY:

Choose the desired audio format that you will use for the selected ARC latency test.  

 

·

PCM - 48KHz - 2.0 Ch

 

·

Dolby Digital - 48KHz - 2.0 Ch

 

·

Dolby Digital Plus - 48KHz Dolby Atmos

 

·

MY STREAM FOR ARC 1

 

·

MY STREAM FOR ARC 2

AV-Latency & AV Sync Measurement Menu

Audio Stream Start Adjust Menu

Summary of Contents for MU-SEVEN-G-8K

Page 1: ...1 MU SEVEN G 8K Professional Audio Video Testing Device for HDMI 2 1 ARC eARC Latency Calibration An Approved Test Device for Dolby Audio ...

Page 2: ...TPUT INDICATOR LIGHTS 9 VIDEO SIGNAL FORMAT OUTPUT INDICATOR LIGHTS 10 PS 1 PS 2 10 SC 1 SC 2 10 NAVIGATION SHORTCUT BUTTONS 10 MEDIA CONTROLS 11 MENU NAVIGATION 11 CONNECTIONS 12 AV SYNC SENSORS 12 HDMI PORTS 12 CONNECTIONS CONT 13 AUDIO INPUT 13 AUDIO OUTPUTS 13 CONTROL 13 POWER 14 NAVIGATION TUTORIAL 14 FRONT PANEL SHORTCUT BUTTONS 18 PRESET BUTTONS 26 TO SAVE A PRESET PS 1 PS 2 26 SHORTCUT BUT...

Page 3: ...PATTERNS 31 PVA PATTERNS UHD 31 SPEARS MUNSIL FHD 32 USER PATTERN STILLS 32 IRE WINDOW 32 SHORTCUTS 33 COLOR SPACE 33 BT2020 SETTING 33 COLOR DEPTH 34 HDCP SETUP 34 HDMI DVI SETUP 34 HDR 35 VIDEO TEST 35 AUDIO GENERATOR 36 PCM AUDIO 36 PCM AUDIO SAMPLING RATE 36 PCM AUDIO BIT DEPTH 37 PCM AUDIO SINEWAVE TONE 37 PCM AUDIO AUDIO VOLUME 37 AUDIO CHANNEL SPEAKER CONFIGURATION 38 ...

Page 4: ... 43 DTS EXPRESS 43 MY STREAMS 43 AUDIO TESTS 44 SOURCE SPEAKER TEST 44 SYNC LATENCY TESTS 46 VIDEO SETTINGS 46 DOLBY VISION SETTINGS 47 AUDIO STREAM START ADJUST 47 AV SENSOR FUNCTIONALITY TEST 47 ARM AV LATENCY 48 ARM ARC LATENCY 50 ARM EARC LATENCY 51 EDID EARC CDS 52 SINK DEVICE EDID INFO 52 EARC ARC AUDIO INFO 53 ARC HPD CTL 53 EARC PHYSICAL HPD CTL 53 HDMI 5V POWER CTL 54 EARC TX LATENCY 54 ...

Page 5: ...SETUP 55 VITALS 56 FAN CONTROL 56 RESET ALL SETTINGS 57 UPDATING FIRMWARE 58 FCC INTERFERENCE AND COMPLIANCE STATEMENT 58 FCC WARNING 58 CAUTION 58 WARRANTY AND GETTING HELP 59 OBTAINING THE WARRANTY SERVICE 60 DISCLAIMER OF WARRANTY 61 GETTING HELP 62 LEGAL NOTICES 62 ...

Page 6: ...c Lip Sync Audio Latency and Dolby Audio This approved test device for Dolby Audio contains all current Dolby Audio streams including Dolby Digital Dolby Digital Plus w Dolby Atmos Dolby MAT Dolby Atmos and Dolby True HD w Dolby Atmos The Audio Suite of tests is available in HDMI Tx ARC Tx and eARC Tx With additional features like tone generation frequency sweeps AV Sync mea surements audio latenc...

Page 7: ...7 ...

Page 8: ...FRONT PANEL OVERVIEW A Display The SEVEN G includes a High Resoltution 1080P Full Color Display 8 ...

Page 9: ...t Indicator Lights These lights indicate which audio format is currently being generated by the SEVEN G 8K In the example to the right PCM audio is currently selected as the audio output eARC ARC HDCP and HPD Signal Output Indicator Lights ARC eARC lights indicate if an ARC eARC is enabled on the SEVEN G 8K and the connected device under test OFF Disabled ON Enabled on the SEVEN G 8K and connected...

Page 10: ...ore information see Page 23 SC 1 SC 2 Shortcut Buttons For more information see Page 24 Navigation Shortcut Buttons Use these buttons to quickly jump to your favorite commonly used menus settings For more information see Pages 14 21 HDCP Light indicates if HDCP is enabled on the SEVEN G 8K HPD Light indicates if a Hot Plug is detected with a device connected to the HDMI OUTPUT of the SEVEN G 8K ...

Page 11: ...o clips MUTE Button Use this button to MUTE UNMUTE the AUDIO OUTPUT of the SEVEN G 8K Menu Navigation UP DOWN LEFT RIGHT Buttons These buttons are used to navigate through menus OK Buttons Press this button after you have highlighted your menu item to confirm your selection ...

Page 12: ... audio video latency tests After connecting the microphone to the SEVEN G 8K place the microphone as close to the display s speaker or a speaker in the audio system as possible NOTE We have found extension cables that work with the visual probe and microphone These can be used in applications where the included cables are too short If you would like a recommendation on ex tension cables feel free ...

Page 13: ...RS 232 protocol This can also be used to access and use any of the included SEVEN G 8K software packages Serial Link Use a 3 pin terminal to connect the SEVEN G 8K to a PC You can now remotely 13 Connections Cont Audio INPUT 2 CH LINE LEVEL EXT AUDIO INPUT Use this 3 5mm input to connect an external audio source to the SEVEN G 8K This can be used if you have audio test tones or perhaps music clips...

Page 14: ...tch to power the SEVEN G 8K off down position or ON up position control the SEVEN G 8K via RS 232 protocol This can also be used to access and use any of the included SEVEN G 8K software packages USB 3 0 Use a USB cable to connect the SEVEN G 8K to a PC You can now remotely control the SEVEN G 8K via RS 232 protocol This can also be used to access and use any of the included SEVEN G 8K software pa...

Page 15: ...e HOME shortcut button to get to the MAIN MENU Use the UP DOWN ARROW buttons and high light the VIDEO GENERATOR menu 5 Press the GREEN OK button 6 Looking at the right side of the screen notice that the TIMING RESOLUTION OPTION is now high lighted in ORANGE 7 Press the ARROW DOWN button to highlight PATTERN SELECT 8 Press the GREEN OK button 9 Looking at the left side of the screen notice new sub ...

Page 16: ... ORANGE 13 Arrow Down and highlight the EVALUATION OPTION 14 Press the GREEN OK button 15 Press the RIGHT ARROW button until the City Sunset test pattern is highlighted in BLACK then press the GREEN OK button to select The City Sunset test pattern should now be visible on the display that you have your SEVEN G 8K plugged into ...

Page 17: ... Chroma Sub 500 pattern in BLACK 17 Press the GREEN OK button to select 18 Select any other patterns you might like to look at When you are finished exploring press the BACK button several times OR press the HOME button to jump back to the MAIN MENU screen ...

Page 18: ...el Shortcut Buttons The following pages cover the SEVEN G 8K s shortcut buttons HOME Pressing the HOME button will jump to the SEVEN G 8K s Main Menu Note This is the default menu when the SEVEN G 8K is powered on ...

Page 19: ...ton will jump to the Video Generator menu Here you can select and change the output settings See Pages 24 30 for more details VIDEO TESTS Pressing the VIDEO TESTS button will jump to the Video Tests menu See Page 31 for more details ...

Page 20: ...IO Pressing the AUDIO button will jump to the Audio Generator menu See Page 32 34 for more details AUDIO TESTS Pressing the AUDIO TESTS button will jump to the Audio Tests menu See Page 32 39 for more details ...

Page 21: ...21 PATTERN Pressing the PATTERN button will jump to the FPGA Pattern select menu See Page 24 28 for more details For a detailed list of the available test patterns and a description of each visit w ...

Page 22: ...22 HDR Pressing the HDR button will jump to the HDR menu See Page 31 for more details EDID Pressing the EDID shortcut button jump to the EDID eARC CDS menu See Page 48 for more details ...

Page 23: ...HDCP Pressing the HDCP shortcut button will jump to the HDCP Setup menu See Page 30 for more details SETUP Pressing the Setup shortcut button will jump to the System Setup menu See Page 51 for more details ...

Page 24: ...lution timing from the TIMING RESOLUTION menu For example Select for example7680x4320 30Hz Press and hold the OK button for 3 seconds This jumps to the CHANGE MY RESOLUTION menu Use the UP DOWN arrows to select a slot 1 14 Press the OK button to set confirm NOTE For detailed instructions see the Using Shortcuts user guide located at www murideo com ...

Page 25: ...ng the ARC eARC shortcut button will jump to the ARC eARC Output setup menu See Page 51 for more details CDS Pressing the CDS shortcut button will jump to the ARC eARC Audio Information menu See Page 49 for more details ...

Page 26: ...e choosen will be displayed in the Audio Video Output Info Bar see image below To save a Preset PS 1 PS 2 Select your desired Audio and Video Output parameters Press and hold PS 1 PS 2 button for approximately 3 seconds The Keypad lights of the SEVEN G 8K will all flash once confirming that the preset has been saved NOTE Your custom programed presets will be lost upon a FACTORY RESET or after a Fi...

Page 27: ...tely 3 seconds The Keypad lights of the SEVEN G 8K will all flash once confirming that the shortcut has been saved NOTE Your custom programed shortcuts will be lost upon a FACTORY RESET or after a Firmware Up date Example You use the ARC LATENCY MEASUREMENT menu on a regular basis In order to navigate to this test you would have to normally press approximately 12 buttons Since you have this menu s...

Page 28: ...nd frame rate of the generated video signal It contains the follow ing options 8K UHD 4K DCI 2K DCI HD SD VESA 3D CUSTOM AUTO READ EDID PATTERN SELECT Select from over 500 high quality stand alone pat terns However the pattern choices are virtually un limited when using the FPGA processor in addition to patterns generated with IRE and APL Average Picture Level For a complete list of patterns and t...

Page 29: ...1920x1080 60Hz RGB Full 0 255 UHD Native 3840x2160 60Hz RGB Full 0 255 ISF Patterns are designed by the Imaging Science Foundation https imagingscience com DVS HDR PATTERNS DVS Patterns include real world images along with technical test patterns which are available in HDR10 Dolby Vision and HLG https diversifiedvideosolutions com Native Timing for the 3 options HDR10 3840x2160 24Hz YC 4 4 4 DV 38...

Page 30: ...amps Dolby Vision They are labeled FHD 1080p and UHD 4k FHD Native 1920x1080 60Hz RGB Full 0 255 UHD Native 3840x2160 60Hz RGB Full 0 255 CLIPPING COLOR DV EVALUATION DV RAMPS GRADIENTS ZONE PLATES DV RESOLUTIONS ANSI PLACEMENT DV CLIPPING COLOR HLG EVALUATION HLG RAMPS GRADIENTS ZONE PLATES HLG RESOLUTION ANSI PLACEMENT HLG ...

Page 31: ...has two versions BT709 BT2020 SPE PATTERNS UHD These patterns were developed by SPE Sony Pictures Entertainment There are two images each one in multiple formats These patterns are native 3840x2160 60Hz but they do vary in colorspace chroma sub sampling and SDR HDR NOTE Be sure to choose the correct version for your specific application Verify the version by looking closely at the name of the test...

Page 32: ...access any custom test patterns that you have uploaded This menu contains 4 options USER DEFINED PATTERNS x6 slots available USER FHD PATTERNS x54 slots available USER UHD HDR PATTERNS x54 slots available USER UHD SDR PATTERNS x54 slots available IRE WINDOW Allows you to create a custom IRE window You may adjust the window size using the UP DOWN arrow buttons and the IRE level using the LEFT RIGHT...

Page 33: ...ANGE PATTERN SHORTCUT Menu For detailed instructionsv see the Using Shortcuts user guide located at www murideo com COLOR SPACE Select the desired color space of the Output Signal These options are generated from the FPGA NOTE This will only affect the FPGA Patterns and the custom IRE window tool BT2020 SETTING Enable or Disable BT2020 for the FPGA Generator NOTE If BT2020 is Disabled the default ...

Page 34: ... SEVEN G 8K HDCP OFF HDCP 1 4 HDCP 2 3 this includes 2 2 HDCP AUTO according to the EDID of the connect ed device HDMI DVI SETUP Use this page to set the TX Output DVI Sets the output to DVI RGB 4 4 4 HDMI Sets the output to HDMI YUV AUTO Based on the EDID of the connected device NOTE This will only affect the FPGA Patterns and the custom IRE window tool ...

Page 35: ...m VIDEO TEST Playback pre loaded video files files from Spicey Pixels and SPE Sony Pictures Entertainment or any of your own that you have uploaded using the User Video Uploader free PC software Note Visit www murideo com to download the free User Video Uploder PC Software There are 19 pre loaded video test clips or you can load TWO of cus tom video test clips MOV or multiple YUV frames ...

Page 36: ...ns in Kilohertz KHz 32K 44 1K 48K 88K 96K 176K 192K AUDIO GENERATOR Use this menu to select the format of the generated au dio signal PCM Dolby Audio External L R DTS NOTE These settings apply for both the HDMI TX Output and RX Input ARC and eARC You must enable ARC eARC from the system setup menu You may also need to enable ARC eARC inside the connected device under test Once detected the ARC eAR...

Page 37: ...able 100Hz 200Hz 300Hz 400Hz 500Hz 600Hz 700Hz 800Hz 900Hz 1KHz 2KHz 3KHZ 4KHz 5KHz PCM AUDIO AUDIO VOLUME Adjust the volume of the generator Audio output NOTE This volume adjustment affects all audio gen erated by the SEVEN G 8K PCM AUDIO BIT DEPTH PCM Audio contains the following options for Bit Depth 16Bit 20Bit 24Bit ...

Page 38: ...38 AUDIO CHANNEL SPEAKER CONFIGURATION Use this page to select between various multichannel audio samples starting with 2 CH Stereo with OP TIONS up to 7 1CH ...

Page 39: ...by Digital These options include Dolby Digital 32KHz 2 0Ch Dolby Digital 32KHz 5 1Ch Dolby Digital 44 1KHz 2 0Ch Dolby Digital 44 1KHz 5 1Ch Dolby Digital 48KHz 2 0Ch Dolby Digital 48KHz 5 1Ch DOLBY DIGITAL PLUS There are 4 options under the Dolby Digital Plus These options include Dolby Digital Plus 48KHz 2 0Ch Dolby Digital Plus 48KHz 5 1Ch Dolby Digital Plus 48KHz 7 1Ch Dolby Digital Plus objec...

Page 40: ...by Atmos Dolby MAT PCM object audio 48KHz Dolby Atmos DOLBY MAT Dolby TrueHD There are 9 options under Dolby MAT Dolby TrueHD These options include Dolby MAT Dolby TrueHD 48KHz 2 0Ch Dolby MAT Dolby TrueHD 48KHz 5 1Ch Dolby MAT Dolby TrueHD 48KHz 7 1Ch Dolby MAT Dolby TrueHD 96KHz 2 0Ch Dolby MAT Dolby TrueHD 96KHz 5 1Ch Dolby MAT Dolby TrueHD 96KHz 7 1Ch Dolby MAT Dolby TrueHD 192KHz 2 0Ch Dolby ...

Page 41: ...m EXT ANALOG L R INPUT If using an external audio source via the 3 5mm Ext Audio Input use this menu to switch from internal audio generator to the ext audio source Note 2 Ch PCM audio only DTS AUDIO GENERATOR There are 6 options under DTS Audio Generator These options include DTS Digital Surround DTS HD High Resolution DTS HD Master Audio DTS X DTS Express MY STREAMS ...

Page 42: ...44 1KHz 5 1Ch DTS Digtal Surround 96KHz 5 1Ch DTS HD High Resolution There are 4 options under DTS Digital Surround These options include DTS HD HRA 48KHz 5 1Ch DTS HD HRA 48KHz 7 1Ch DTS HD HRA 96KHz 7 1Ch DTS HD HRA 88 2KHz 7 1Ch DTS HD Master Audio There are 4 options under DTS HD High Resoluktions These options include DTS HD MA 48KHz 5 1Ch DTS HD MA 48KHz 7 1Ch DTS HD MA 196KHz 2 0Ch DTS HD H...

Page 43: ...er Audio 48KHz 7 1 4Ch DTS X Master Audio 96KHz 7 1 4Ch DTS X 32 Objects DTS Express There is 1 option under DTS Express DTS Low Bit Rate 48KHz 5 1Ch MY STREAMS Use this page to select one of the 6 custom uploaded DTS audio streams NOTE The Audio Uploader Software with instructions are available at www murideo com ...

Page 44: ...er are connected to the correct Channels Speakers WHITE NOISE Audio confidence test used to ensure system speakers are performing as expected SWEEP AUDIO Audio confidence test Starting with a low frequency 20Hz and building to a high frequency 20KHz these test tones can be used to measure room acoustics with a micro phone Or this can be used to ensure speaker are operating as expected NOTE If usin...

Page 45: ... Right Channel Selected FL Front Left Channel Selected FR Front Right Channel Selected FC Front Center Channel Selected FL Front Left Channel Selected FR Front Right Channel Selected BL Back Left Channel Selected BR Back Right Channel Selected ...

Page 46: ...EO SETTINGS Choose the Output Video Resolution for the AV SYNC LATENCY tests The resolutions options available are 3840 x 2160 30Hz 3840 x 2160 29 97Hz 3840 x 2160 25Hz 3840 x 2160 24Hz 3840 x 2160 60Hz 3840 x 2160 59 94Hz 3840 x 2160 50Hz 1080P 30Hz 1080P 29 97Hz 1080P 25Hz 1080P 24Hz 1080P 60Hz 1080P 59 94Hz 1080P 50Hz 1920 x 1080 120Hz 1920 x 1080 119 88Hz Note More details on each of the above...

Page 47: ...or Dolby Vision DOLBY VISION OFF DOLBY VISION SINK LED DOLBY VISION SOURCE LED AUDIO STREAM START ADJUST This menu allows you to adjust the audio phase ahead of the video in ms milliseconds NOTE This can be adjusted from 500ms to 500ms in increments of 1ms ...

Page 48: ...probe centered on the display and microphone placed as close as possible to the speaker under test press the green OK button to initiate the Audio Video Latency Test note this test runs for 120 seconds and will restart each time you press the OK button Stream Start Adjust This shows you in ms milliseconds the delay time you set using the Audio Stream Start Adjust Pg 41 Once you run the initial tes...

Page 49: ... Sync Results This shows the test results in milliseconds of the delay time between the audio and video signal NOTE Use the data from the AV Sync Results example audio arrived 139ms before video to calibrate the audio delay in the Audio Stream Start Adjust menu pg 41 AV Latency AV Sync Measurement Menu Audio Stream Start Adjust Menu 49 ...

Page 50: ...note this test runs for 120 sec onds and will restart each time you press the OK button ARM ARC LATENCY Choose the desired audio format that you will use for the selected ARC latency test PCM 48KHz 2 0 Ch Dolby Digital 48KHz 2 0 Ch Dolby Digital Plus 48KHz Dolby Atmos MY STREAM FOR ARC 1 MY STREAM FOR ARC 2 AV Latency AV Sync Measurement Menu Audio Stream Start Adjust Menu ...

Page 51: ...MAT PCM 48KHz Dolby Atmos Dolby MAT PCM 48KHz 2 0 Ch Dolby MAT TrueHD 48KHz 2 0 Ch Dolby MAT TrueHD 48KHz Dolby Atmos MY STREAMS FOR eARC 1 MY STREAMS FOR eARC 2 With the Microphone connected to the SEVEN G 8K and placed as close as possible to the speaker under test press the green OK button to initiate the eARC Audio Latency Test note this test runs for 120 sec onds and will restart each time yo...

Page 52: ...TX LATENCY eARC RX LATENCY SINK DEVICE EDID INFO This menu displays the SINK device s EDID information in Human Readable Format To see the EDID in HEX form please use the PC Control Software available for download at www murideo com NOTE In order to test ARC eARC you must do the following Enable ARC eARC located under the SYSTEM SETUP menu pg 49 inside the SEVEN G 8K Enable ARC eARC inside the dev...

Page 53: ...u to turn ON or OFF the 5V HDMI power output This menu contains the following ASSERT HPD ON DEASSERT HPD OFF eARC PHYSICAL HPD CTL eARC Physical HPD CTL Hot Plug Control This menu contains the following ASSERT HPD ON DEASSERT HPD OFF NOTE Use this to trigger an HPE Hot Plug Event without physically disconnecting reconnecting the HDMI cable NOTE Use this to trigger an HPE Hot Plug Event on the ARC ...

Page 54: ... read the latency value in milliseconds for the eARC RX This is performed using the HDMI RX INPUT on the SEVEN G 8K eARC RX LATENCY Use this test to read the latency value in milliseconds for the eARC TX This is performed using the HDMI TX OUTPUT on the SEVEN G 8k NOTE Use this to trigger an HPE Hot Plug Event without physically disconnecting reconnecting the HDMI cable ...

Page 55: ... IP MANAGEMENT This menu contains network information for the SEVEN G 8k Here you can manually set the device s IP address or you can Enable DHCP to allow your network controller to assign the settings This menu con tains the following options DHCP ON DCHP OFF HOST IP ROUTER IP IP MASK MAC ADDRESS ARC eARC OUT SETUP This menu contains the following options DISABLE ARC eARC ENABLE eARC ENABLE ARC ...

Page 56: ... are 4 settings to choose from OFF see note below LOW SPEED MIDDLE SPEED Default HIGH SPEED 56 NOTE For the latest Firmware and instructions on how to load visit www murideo com NOTE You may consider turning the fan OFF in situations where audio measurements are critical It is not recommended to leave the fan OFF for an extended period of time while using the SEVEN G 8K ...

Page 57: ... 57 NOTE Resetting to factory defaults will NOT delete remove your custom uploaded patterns videos clips audio streams NOTE Resetting to factory defaults WILL reset the PRESET and SHORTCUT buttons back to their default state PS 1 PS 2 Defaults 100 COLOR BARS Pattern 1920x1080 60Hz RGB Full 0 255 PCM AUDIO Rate 48K Size 16Bit FREQ 1KHz AMP 0dB Channel 2CH SC 1 SC 2 Defaults back to the HOME Menu ...

Page 58: ...e will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interfer ence by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Conne...

Page 59: ...ty Murideo SEVEN Generator During the warranty period the defective hardware of Murideo products will be either repaired or re placed with new or like new products at the discretion of Murideo This International Limited Warranty covers the costs of service parts and labor required to restore your product to fully functional condition MURIDEO will at its discretion repair or replace any defective p...

Page 60: ... d If MURIDEO determines that any returned Product is not defective or if MURIDEO determines that the defect is not covered by the warranty MURIDEO will return the Product to the Owner at Owner s ex pense freight collect and Owner agrees to pay MURIDEO s reasonable cost of handling and testing e Upon determining that a returned product is defective to receive warranty service Owner will need to pr...

Page 61: ... NOR AUTHORIZES ANY OTHER PARTY TO ASSUME FOR MURIDEO ANY OTH ERLIABILITIES THE FOREGOING CONSTITUTES THE BUYER S SOLE AND EXCLUSIVE REMEDY FOR THEFURNISHING OF DEFECTIVE OR NONCONFORMING PRODUCTS AND MURIDEO WILL NOT IN ANY EVENT BELIABLE FOR COST OF SUBSTITUTE OR REPLACEMENT COST OF FACILITIES OR SERVICE DOWNTIMECOSTS LOSS OF PROFITS REVENUES OR GOODWILL RELIANCE DAMAGES LOSS OF DATA LOSS OFUSE ...

Page 62: ...ited States or other countries ISF and the ISF logo are trademarks or registered trademarks of and are used under license from Imaging Science Foundation LLC in the United States or other countries All other trademarks and registered trademarks are the property of their respective owners in the United States or other countries The absence of a trademark symbol does not constitute a waiver of Silic...

Reviews:

No comments