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VTG 400D/400 DVI User's Manual

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1. 2 6 Audio Testing Features 28 Selecting 210218 ET 28 Setting the audio 2 9 Setting the audio nnne E Ea ae iaraa ii 2 9 Menus Configuration and Adjustments sss 2 10 Moving through menus by using front panel controls 2 10 Menu c 2 11 Audio Setup WE 2 12 Audio Set p s bmien u 1 Of b iced teer 2 12 Audio level Units iiec tee Sengen Rena Res cea SEA 2 12 le e 2 12 Audio Setup submenu 2 of 5 arta aaa e a Era 2 12 Burst ima 2 12 2 13 Audio Setup SUBMENU 3 of 5 ccseccsescescessssscseeeessecsseesssenseeesenenseeesseesseesessecsenestensenesaes 2 13 F Sweep Start Freq EE 2 13 EE 5 le H e EE 2 13 Audio Setup SUBMENU 4 of pi 2 13 E Sweep iii rn ire ee tera E ENEE 2 13 E Seen RD 2 13 Audio Setup submenu 5 08 5 EE 2 13 cm 2 13 Square Wave Auto Attenuate 2 13 1 E TEE 24 5 submenu 1084 2 14 RGB Sync Led risentire dau Spr a reda 2 1
2. 14 WibdowW g09 6 stie eon ren em cer iiem E EH eee ed nue 15 20 16 Window variable level 1 M 18 Fat Field with 19 CHECKER BO ALG une Ree ee E er Dee ee 20 Bounce automatic cceeeeesssceeeeeecceesesseeeeeeeeeeecsseseaeeeseeeececessesaaeeeteceeseessesseneeeees 21 Bounce manual toggle d ea eee 22 Alternating Pixels 1 on 1 off Fr egue ncy SWEEP E 23 Graphics 1 VTG 400D 400 DVI gt Table of Contents Table of Contents cont d 11016116 EE A 16 24 Alternating Pixels 2 dimensional A 17 lf te TEE A 17 CIE et Ile A 17 56 dE A 18 25 Transient eee es 18 26 Contrast Transfer Function CTIE A 19 E Mis IET OI II LIU ILI A 19 28s Hum Bar Detecb ee moe tire eoe bus EE A 20 VTG 400D 400 DVI Video Output Scan Rate Table A 21 All trademarks mentioned in this manual are the properties of their respective owners 68 786 01 Rev C 04 09 iv VTG 400D 400 DVI gt Table of Contents 2 VTG 400D 400 DVI Chapter One Introduction About this Manual About the VTG 400D 400 DVI Other Features Introduction About this Manual This manual discusses how to set up and operate the Extron VTG 400D 400 DVI programma
3. Electronics 2 3 INTERFACING SWITCHING AND DISTRIBUTION turio User s Manual VTG 400D 400 DVI Programmable Video and Audio Test Generator 68 786 01 Rev C 04 09 Warning Power sources This equipment should be operated only from the power source indicated on the product This equipment is intended to be used with a main power system with a grounded neutral conductor The third grounding pin is a safety feature do not attempt to bypass or disable it Power disconnection To remove power from the equipment safely remove all power cords from the rear of the equipment or the desktop power module if detachable or from the power source receptacle wall plug Power cord protection Power cords should be routed so that they are not likely to be stepped on or pinched by items placed upon or against them Servicing 9 Refer all servicing to qualified service personnel There are no user serviceable parts inside To prevent the risk of shock do not attempt to service this equipment yourself because opening or removing covers may expose you to dangerous voltage or other hazards Slots and openings If the equipment has slots or holes in the enclosure these are provided to prevent overheating of sensitive components inside These openings must never be blocked by other objects Lithium battery There is a danger of explosion if battery is incorrectly replaced Replace it only with the same or equival
4. 2 16 VTG 400D 400 DVI e Installation and Operation e 5 minutes e 10 minutes e 15 minutes e 30 minutes Never time out default screensaver is not activated The following LCD display message is updated approximately every 38 seconds starting with the timeout interval selected Time out in 00 18 minutes After the timeout interval has has elapsed the following LCD message is displayed SCREEN SAVER ACTIVE 11911 The timeout timer is reset whenever any VTG button is pressed Screensaver Mode The screensaver mode can be set to a blank black screen or the mode can be set to cycle through all valid test patterns in 4 second intervals for the video type Blank default Cycle 111911 1 blank screen mode the sync remains active even while the video is muted Refer to the Test Pattern Chart in appendix A for the table of available test patterns and their features Advanced Setup submenu 2 of 4 The VTG s LCD display features an adjustable contrast setting and a backlight LCD Display Contrast 000 through 063 select a setting while observing the LCD LCD Backlight The LCD backlight on the VTG can be set to remain on or to automatically turn off after 10 seconds of inactivity e Always On e Auto default Advanced Setup submenu 3 of 4 The VTG s LCD displays the internal board temperature of the VTG in degrees Celsius and degrees Fahrenheit The native rate for a DVI device conne
5. 3 Focus The focus test pattern tests the depth of field of the projector lens Low quality lenses do not display the corners of the test pattern with equal sharpness to the center or the corners do not appear the same as the center The focus patches represent a combination of high frequency detail vertical lines as compared to low frequency information horizontal lines These patches should be equal in brightness and color hue when a video system has an overall flat frequency response When high frequency response suffers significantly the patches of vertical alternating pixels blend toward a 50 gray level Since the background is 50 gray the patches tend to disappear within the background Comparing the patches to the background assists in making this evaluation A 8 VTG 400D 400 DVI Appendix 4 16 9 Crop 4 3 rates This test pattern is used to display the resulting letterbox effect of a widescreen 16 9 image within a standard 4 3 display system The outer border corresponds to the maximum dimensions of a 4 3 image for the given line rate The two horizontal lines within the pattern show the area and boundaries of a 16 9 image within a 4 3 space Use this pattern for setting or creating screen masking systems 4 3 Crop 16 9 rates This test pattern is used to display the resulting side boxing effect 1 1 of a standard 4 3 image within a 16 9 widescreen display system The outer border corresponds
6. Control Software for the VTG 400 and VTG 400D WindoWall Console 79 528 01 1 0 Julii 2008 21 2 Install Control Software for the WindaWall Svstem 4 the File Download window that appears click Run to begin installing the program File Download Security Warning Do you want to run or save this file m Name 04005 1 1 Type Application 13 0MB From D download files control potentially harm your computer If you do not trust the source do not While files from the Internet can be useful this file type can run or save this software What s the risk If you want to save the installation VTG400SW1xn exe to your desktop to run later click Save instead of Run On the Save As window save the setup file to the desired location on your PC When you are ready to install the software double click on the VTG400SW1xn exe icon click Run on the Security prompt and restart the procedure at step 4 5 Another Security prompt appears Click Run on this window to continue with the installation Internet Explorer Security Warning Do you want to run this software 3 Name TG400 Publisher Extron Electronics x More options While Files from the Internet can be useful this file type can potentially harm your computer Only run software from publishers you trust What s the risk 6 Follow the instructions on the InstallShield Wizard screens to complete the program ins
7. 4 1 919 863 1797 FAX Extron USA West Headquarters 800 633 9876 Inside USA Canada Only 1 714 491 1500 1 714 491 1517 FAX
8. Windows NT Windows 2000 and Windows XP VTG 400 400D 400 DVI Control Program updates can be downloaded from the Extron Web site http www extron com Installing the software The control program is contained on a disk that is delivered with your VTG To use the software you must install the program on your PC Follow these steps 1 Insert the disk into your disk drive The disk should start automatically If it does not open your Windows Explorer and double click LAUNCH EXE on the disk drive to start it 2 the Software Products Disk screen see below click the Software button Extron Software CD Windows Internet Explorer G amp p tindex html File Edit Favorites Tools Help amp Extron Software Electronics 3 Bin Software Products Secs lt click to select product gt Extron Software Products Disc 8 Issue 2008 2 bats Mew Since Lest m For more than 20 years Extron Electronics has manufactured professional A V system products including computer video interfaces switchers matrix switchers distribution amplifiers signal processing devices Ethernet control interfaces and high resolution cable Extron offers solutions for integration of video and audio into presentation systems for a variety of environments such as boardrooms classrooms and training centers lecture halls command and control centers and more Com For the latest product EN d information visit Pro
9. following the vertical lines and bars in the test pattern 18 VTG 400D 400 DVI gt Appendix 26 Contrast Transfer Function CTF The Contrast Transfer Function patent pending or CTF provides an indication of overall system high frequency response including the display s optical path While most high frequency test patterns provide electrical bandwidth performance information when used with appropriate test instruments evaluation of overall system response including the optical pathway is virtually nonexistent Good high frequency performance translates to the perception of contrast and detail in the image As high frequency performance degrades contrast ratio between high and low image transitions approach middle gray and appear muddy or non distinct Should high frequency transitions become fully attenuated the contrast falls to zero The CTF pattern contains bursts of high frequency alternating pixels and bursts of low frequency lines Both appear as vertical bands on the screen In the default mode the alternating pixel bursts flash On and Off at a rate of 0 5 second or 2 Hz Pushing the soft key on the VTG s display screen defeats the flashing effect if desired The low frequency line bursts will pass through a display system with less relative attenuation than the high frequency bursts Since the high frequency bursts will appear to approach middle gray and lose detail when system response is degraded the user may
10. second The border on the outside of the pattern does not change This duty cycle shift assists evaluation of black level shift For CRT based displays high voltage regulation performance may be evaluated High voltage variations with image duty cycle changes cause one or more combinations of distortion among the components of the pattern such as the white rectangle the lines within the white rectangle or the lines surrounding the pattern 21 Bounce manual toggle This version of the APL Average Picture Level bounce is static and may be exercised by the user at will Use the Invert function on the VTG s soft keys to cause the pattern to invert or shift at any moment desired This capability is used when evaluation under conditions of random performance is desired See the automatic version of the APL bounce pattern for more information VTG 400D 400 DVI gt Appendix A 15 Appendix cont d 22 Alternating Pixels 1 on 1 off For computer graphics displays alternating pixels represent the highest frequency operation at a given line rate or resolution These one On one Off transitions tax the speed of a graphics system and the display s performance as well Use this pattern to assess the high frequency performance of the display or a graphics system in total It may also be used to align or evaluate pixel timing and phase on fixed pixel displays Asa source for EMI testing the alternating pixel pattern represents a
11. the V software products page scroll to locate the 400 400D and click the Download link at the far right On the next screen fill in the required information 6 Click the Download VTG400SW1xn exe button 7 On the File Download Security Warning window that appears click Run to begin downloading the installer file If you want to save the installation file VTG400SW1xn exe to your computer hard drive to run later click Save On the Save As window that opens save the setup file to the desired location When you are ready to install the software double click on the VTG400SW1xn exe icon and follow the instructions 8 the second security prompt window that opens click Run again to start the installation process 9 Follow the instructions on the InstallShield Wizard screens to complete the software program installation By default the installation creates a folder called VTG400 in the following location on the computer c Program Files Extron VTG400 If there is no Extron folder in your program Files folder the installation program creates it VTG 400D 400 DVI gt Serial Communication 3 13 Serial Communication cont d Starting the control program Many items found in the VTG 400 Control Program are also accessible via top panel controls and the LCD menus described in chapter 2 Refer to chapter 2 for details on features and settings The 400 Help Program provides information on settings and
12. 3 26 VTG 400D 400 DVI gt Serial Communication 2b Alternatively to edit an existing previously saved configuration file select the appropriate configuration ___ vtg file Emulate TG 400 5 3 Configure the VTG as explained earlier in this chapter 4 Save the configuration by selecting Save Configuration from the File drop down menu If the program is closed while in emulation mode all settings are saved to the current configuration file Extron TG 400 Test Patterns Settings 2 7500 75 00Hz 1280x1024 64 00kH2 60 00H2 1280x1024 91 10kHz 85 00Hz 1400x1050 63 90kH2 60 00Hz VTG 400D 400 DVI Serial Communication 3 27 Serial Communication cont d Firmware Upgrade Through the Extron Web Site The VTG s firmware is upgraded by going to the Extron Web site downloading the latest firmware to the PC then uploading and installing the new firmware from the PC to the VTG via the video test generator s RS 232 port Downloading the latest firmware to the PC 1 Go to the Extron Web site www extron com and select the product category VTG 400 400D 400 DVI 2 Select the Support files tab and click on the Firmware link 3 Download the firmware install package to your PC It will have a filename ending in exe such as VTG400_FW1x01 exe 4 Save the file to your PC and run the executable file By default t
13. 400D E 1 mono balanced 2 mono unbalanced 400 1 mono balanced 1 mono unbalanced Connectors 400D 1 3 5 mm mini stereo jack unbalanced mono left and right tip ring sleeve 1 female RCA jack unbalanced tip ring 1 male 3 pin XLR balanced pin 1 GND pin 2 pin 3 400 DVI 1 3 5 mm mini stereo jack unbalanced mono left and right tip ring sleeve 1 male 3 pin XLR balanced pin 1 GND pin 2 pin 3 NOTE The XLR output is immune to phantom power Impedance uet 50 ohms unbalanced 100 ohms balanced Pink noise white noise sine wave fixed swept burst square wave polarity test 0 Pink noise 72 dBu to 4 dBu 74 dBV to 6 dBV 0 20 mV to 500 mVrms Polarity test 72 dBu to 14 dBu 74 dBV to 16 dBV 0 20 mV to 158 mVrms All other signal types 72 dBu to 6 dBu 74 dBV to 4 dBV 0 20 mVrms to 1 58 Vrms Maximum level 111 22 444 gt 6 dBu balanced or unbalanced at 1 THD N Maximum level 600 ohm gt 4 66 dBu balanced or unbalanced at 1 THD N Crest factor pink noise 3 25 10 24 dB Crest factor white noise 1 98 5 95 dB Rise time square wave 1 5 ms at 20 Hz to 7 ps at 5 kHz Rise time polarity test 5 ps Frequency accuracy sine wave 50 ppm Control remote test generator Serial control p
14. 41 3 8 VTG 400D 400 DVI Serial Communication Command response table for SIS commands continued Command ASCII Command Response Additional description host to VTG VTG to host Set frequency sweep direction Set 38 258 Set the frequency sweep direction View 254 4 View the frequency sweep direction Set Scope Trigger cursor position Set cursor to specific coordinates x17 Cpa 4 Set cursor position to pixel relative to active area on line Xt7 relative to active area of the screen Set cursor to specific coordinates 38 x19 Cpt 4 Set cursor position to pixel relative to total area on line 19 relative to total area of the screen View position View cursor position relative to active area View position X18 e X19 View cursor position relative to total area Set Scope Trigger cursor type Set cursor type 20 8 Cty Set cursor type View current type 8 H View cursor type Hide reveal Scope Trigger cursor Hide cursor 0 9 Cur00 Hide cursor Reveal cursor 1 9 Cur01 4 Reveal cursor View status 9 00 4 hidden View status 01 4 visible Set color channel enable Set color type 10 Col A Set color type to x3 View current type 108 4 View current color type Set RGB sync format Set sync format 13 Syf Set the RGB sync format View 1 View current setting Adjust test pattern vid
15. File Audio Options Help 5 Trigger Options gt Current Pattern 5 4 4 Crosshatch 2 Send Cursor To Center m ke i 5 x Y Active Lines D ES Active 401 201 c 1 xs 3 Total Lines Display Cursor Adive Pils 800 Crosshair Single Pixel Power Is On Button Lock Disabled 6 RTE VESAS 800x600 37 90 60 00Hz 44 Crosshatch RGBHV OFF BLANK NTO Power Status button The VTG can be powered on and off by clicking this button When the button s status indicates Power is On it can be clicked to toggle the power off and the status then indicates Power is Off When the button s status indicates Power is Off it can be clicked to toggle the power on and the status then indicates Power is On Button Lock Status button The VTG can be placed in top panel security lockout mode by clicking this button When the button s status indicates Button Lock E Enabled it can be clicked to disable the button lock and the status then indicates Button Lock Disabled When the button s status indicates Button Lock Disabled it can be clicked to enable the button lock and the status then indicates Button Lock Enabled See Top Panel security lockout in chapter 2 Using the help program For information on program features Press the F1 comp
16. Starting the control program Drop down menus File menu Video menu Audio menu Options menu Help menu Video tab Scan Groups screen ii VTG 400D 400 DVI gt Table of Contents Test Ee dn WEE 7 Audio TEE 5 0 5 Button Lock Status button nanei inania herera Using the help program e e La e La RE Firmware Upgrade Through the Extron Web 5 Downloading the latest firmware to the PC Uploading the firmware from the PC to the VTG 400D 400 eee Appendix A Reference 5 Included Parts RT scout Test Patterns Chart EE PAWNS o e c L 16 9 Crop 4 3 ratesl 2 3 Crop AE H Rectangle Square Crosshairs Cross hate en ud e va da n Coarse Ed 7 Setting Black 6 Conitrast EE 105 32 6 6 Split Grayscale inito aee cient eet n 11 gene 12 ln EE 13 Color Bars 8 color split i iicet rere rie eiae ted eed et ric rive EN SMPTE Color Bars with PLUGE pattern nennen Color Bars 8 color full Dars
17. adjust the level of the low frequency bursts up or down via the soft keys on the VTG control display to match the perceived brightness of the high frequency bursts When the point is reached where the perceived brightness of all the bursts is equal the VTG provides a percentage number on its display This percentage number is the approximate percentage of contrast performance in the system including electrical and optical pathways It may be used as a relative index of performance for the system s bandwidth 27 Pattern The H pattern represents simple text that can be used to evaluate HHHHAHHHHHHH image sharpness or overall response quality using symbology that anyone can understand The invert soft key on the 400 reverses the text from white text on a black background to black text on a white background Use the H pattern for high frequency response evaluation where text legibility is the most critical application This pattern may also be used to evaluate transient response focus lens distortions video clamping stability and image sharpness VTG 400D 400 DVI gt Appendix A 19 Appendix cont d 28 Hum Bar Detect The Hum Bar Detect pattern assists the user with the location and evaluation of low level ground loop type signal interference Visual results of induced or conducted low level AC currents can be difficult to see depending on image material This pattern consists of a flat field with three gr
18. burst and the encompassing pulse Amplitude disturbance of the burst within each pulse manifests as an upward or downward level shift which appears as concaved upward above black level for low level to convexed downward beyond black for excessive level Phase anomalies of the burst manifest as a wavy appearance at the base of the pulse region Transmission line quality and length will have more of a proportional effect on the higher frequency pulse burst combinations Group delay effects may be combated using a video processing amplifier or an equalizing network at the termination end of the line 25 Transient Response This pattern supports analysis of system transient response both from black to white and white to black Signal level transitions from the MEE extremes to middle gray require that the display system response be carefully designed so that transition artifacts are not visible on the gray background Signal overshoot undershoot line distortion streaking and ringing trailing ghosts manifest on the gray surround region when system response is less than ideal The horizontal white and black bars emphasize lower frequency response issues Look for streaks trailing each of the horizontal bars The short term vertical lines represent high frequency transitions of time durations which will tend to show up ringing problems within the high frequency response of the imaging system Ringing manifests as dark and light ghosts
19. following pin assignments Pin RS 232 function Description 1 No connection 5 1 Transmit data Receive data No connection 9 6 Signal ground DB9 Pin Locations No connection Female No connection No connection No connection 345 232 Programmer s Guide Host to VTG communications SIS commands consist of one or more characters per field No special characters are required to begin or end a command sequence When the VTG determines that a command is valid it executes the command and sends a response to the host device All responses from the video test generator to the host end with a carriage return and a line feed CR LF 41 which signals the end of the response character string A string is one or more characters It is also possible to send several SIS commands back to back in sequence Video test generator initiated messages When a local event such as a top panel selection or adjustment takes place the VTG responds by sending a message to the host No response is required from the host An example of a video test generator initiated message is listed here underlined C Copyright 2004 Extron Electronics VTG 400 Vx xx 41 The VTG sends the copyright message when it first powers on Vx xx is the firmware version number Error responses When the video test generator receives a valid SIS command it executes the command and sends a response to the host device If the VTG is unable to e
20. h at trigger point active Active Video Area visible on screen ines PP with Flat Field Test Pattern vertical front porch i ihorizontal E horizontal back porch active video pixels 3 front porch 0 1 lt gt horizontbl Sync i pulse OSCI LOSCOPE SCREEN gt trigger point using crosshairs cursor back front porch porch i 4 active video time gt time qe horizontal line period _ The combination of front porch back porch and sync times equals blanking 2 25 Oscilloscope trigger point example VTG 400D 400 DVI gt Installation and Operation Installation and Operation cont d 2 26 VTG 400D 400 DVI e Installation and Operation s 3 VTG 400D 400 DVI turio Chapter Three Serial Communication RS 232 Programmer s Guide Control Software for Windows Using the Emulation Mode Firmware Upgrade Through the Extron Web Site Serial Communication The VTG can be remotely controlled via a host computer or other device such as a control system attached to the rear panel RS 232 connector The control device host can use either the Extron Simple Instruction Set SIS commands or the graphical control program for Windows The VTG uses a protocol of 9600 baud 1 stop bit no parity and no flow control The rear panel RS 232 9 pin D connector has the
21. that a minimum pixel depth of 8 bits per pixel 256 levels is the minimum pixel depth requirement for perception of continuous tones in colors and grayscale for each of the primary colors i e red green and blue The VTG utilizes 10 bit pixel depth for creation of all its test patterns This provides four times more resolution for shades of colors or levels of gray than 8 bit systems The gradual change in light output across the ramp should appear smooth without any noise banding or other inconsistencies Displays and processors having less than 8 bits per pixel per color may exhibit periodic vertical bands along the ramp pattern commonly called contouring The ramp pattern due to its gradual level change can be used to highlight specific points where image processing noise may become visible 13 Color Bars 8 color split Z For graphics line rates this color bar pattern is helpful in verifying correct cable connections for red green and blue signals It may be used to facilitate setting of video levels and check for low frequency crosstalk between the color channels General uses include verification of relative color timing saturation and level adjustment SMPTE Color Bars with PLUGE pattern Designed for NTSC video systems this pattern was standardized by the Society of Motion Picture and Television Engineers for proper alignment of the NTSC color transmission system This color bar pattern is used to evaluate N
22. the y axis 19 18 48 Positioning the cursor outside of the scan rate limits for the active area results in an N A display for the coordinate value and the cursor is no longer visible in the display but the scope trigger is still active Extron RES VGA 640x480 FRQ 31 50kHz 60 00Hz Power VTG 400 PAT Fine Crosshatch VIDEO TEST GENERATOR SIG Pink noise FRQ N A 60 564 01 Ver 0 00 LEV 10 dBu 245mV mi Press any Scope Trigger button SCOPE TRIGGER SCOPE TRIGGER Position Active 0004 0004 Total 0300 0039 Cursor Invisible On Screen Shape Single Pixel Scope trigger menu Press the Scope Trigger Shape button to toggle the on screen cursor between a crosshair useful for locating the cursor on the display screen and single pixel useful for locating the cursor on the oscilloscope screen Press the Scope Trigger Hide button to turn the cursor on or off An example of a crosshair trigger point on a flat field test pattern is shown in the following figure When doing a screen capture hiding the cursor is recommended hidden cursor can still be used to change the position of the trigger point 2 24 VTG400D A400 DVI Installation and Operation DISPLAY SCREEN vertical 4 VE sync i i i pulse 1 vertical i Total Video Area back Note The gray area alone equals blanking and is not visible porch on the screen A 4 crosshairs cursor
23. to the maximum dimensions of a 16 9 image for the given line rate The two vertical lines within the pattern show the area and boundaries of a 4 3 image within a 16 9 image space Use this pattern for setting or creating screen masking systems 5 Rectangle Square Crosshairs This pattern can be used to properly center the image and set geometry For CRT based projectors this pattern is used to check and adjust gross linearity and static convergence Regardless of whether the VTG is set for a 4 3 or 16 9 aspect ratio this pattern provides a perfectly centered square which is useful for basic geometric alignment of the projector and the projector to screen relationship Orthogonal alignment of the projector to the screen is critical for best overall focus and image geometry Utilizing a simple square allows the installation technician to easily measure from the projector s lens axis location to each corner of the test square for determination of orthogonal alignment In addition the outer line provides a border indicating the extreme boundary of the image It is important that the border line be just visible inside the screen boundaries The crosshair lines through the center of the pattern provide an easy target for static convergence adjustment of a CRT projector or evaluation of video delay skew 6 4x4 Crosshatch Crosshatch patterns are traditionally used for linearity and convergence adjustment both static and dynamic of CRT based dis
24. 0 x 1024 16 9 960x540 3378 60 RGB DVI VESA12 SXGA 1280 1024 16 9 1024x576 44 04 0 RGB DVI SA 14601050 16 9 1024 576 52 85 72 RGB DVI GE 0 WXGA1 1280x768 45 11 6 RGB DVI VESA13 UXGA 1600 1200 WXGA2 1280x768 48 0 60 RGB DVI WXGA3 1280x768 47 77 ep RGB DVI VESA15 UXGA 1600 x 1200 WXGAA 1280x800 497 60 RGB DVI QXGA1 WXGAS 1360x765 477 0 RGB DVI See WXGA6 1360x768 4772 0 RGB DVI ico 13615 1024 WXGA7 1365x768 47 7 60 RGB DVI Goes 15851034 WXGA8 1366x768 47 8 60 RGB DVI WSXGA 1440x900 55 94 60 RGB DVI Workstation WSXGA 1 1680 1050 64 67 0 RGB DVI Rates WSXGA 2 1680 x 1050 65 29 0 RGB DVI SGI 640 x 480 1080p PC 1920 x 1080 672 60 RGB sci WUXGA1 1920 1200 7452 60 RGB DVI sci 3005 600 WUXGA2 1920 1200 746 60 RGB SGI 960 x 680 WQXGA 2560 x 1600 99 46 60 RGB sal 960 x 620 HDTV sal 1024 x 768 Rates SGI 1024 x 768 480p 720x483 31 42 5994 YUV RGB DVI SGI 1200x 300 576p 720x576 31 25 50 YUV RGB DVI sel 1280x 1024 720p 1280 x 720 44 96 59 94 YUV RGB HDSDI DVI SGI 1280 gt 4 720p 1280x720 45 YUV RGB HDSDI DVI sel 1280 x 1024 720p 1280x720 375 50 YUV RGB HDSDI DVI SGI 1500 x 1200 720p 1280x720 22 5 29 97 YUV RGB HDSDI DVI SGI 1600 x 1024 720p 1280x720 2248 YUV RGB HDSDI sel 1600531200 720p 1280x720 1875 25 YUV RGB HDSDI DVI sel 1760 1100 1080i 19
25. 0D 400 DVI Installation and Operation 2 15 Installation and Operation cont d Color Combinations R G B Black off off off Blue off off on Green off on off Cyan off on on Red on off off Magenta on off on Yellow on on off White on on on Advanced Setup menu The following flowchart describes the Advanced Setup menu RES VGA 640x480 FRQ 31 50kHz 2 PAT Fine Crosshatch SIG Pink noise FRQ N A LEV 10 dBu 245mV mi ADVANCED SETUP 1 of 4 ADVANCED SETUP 2 of 4 Time out Interval LCD Display Contrast jor NEXT gt never timeout E 038 a Screensaver Mode LCD Backlight E BE CH E awayson Ema CH NEXT Y ADVANCED SETUP 3 of 4 ADVANCED SETUP 3 of 4 gt Internal Temperature OR Internal Temperature 32 0F 00C see notes below 32 0F 00C Native Rate For DVI Device 1600x1200 60 Hz Wa AU models except the VTG 400 DVI display NEXT eu Only the VTG 400 DVI displays the the menu above 4 menu above ADVANCED SETUP lt 4 of 4 gt 1 ADVANCED SETUP lt 4 of 4 gt Unit Reset to SYSTEM RESET CONFIRM qa Factory Default Advanced Setup menu Advanced Setup submenu 1 of 4 The screensaver timeout interval can be specified and the screensaver mode can be set to either a blank black muted screen or a cycle of test patterns from this submenu Time out Interval Specify the screensaver timeout interval
26. 2 PAT Fine Crosshatch SIG Pink noise FRQ N A LEV 10 08 2450 mj AUDIO SETUP 1 of 5 AUDIO SETUP 2 of 5 Audio Level Units Burst Interval av ES 00001 Cycle Output 2 Enable Burst On EI ur Left E 00001 Cycle AUDIO SETUP lt 5 of 5 gt AUDIO SETUP lt 4 of 5 gt AUDIO SETUP lt 3 of 5 gt Audio Mute F Sweep Format F Sweep Start Freq 20 0 Hz a Square Wave Auto Attenuate Direction F Sweep Stop Freq E oF CH 3 112 2 Audio setup menu Audio Setup submenu 1 of 5 Audio level units are specified from this submenu The output channel s of Audio output 2 is are also specified Audio level units Specify the audio level unit for the VTG to display Choose from among the following unit types dBu default e Output 2 enable Specify the audio channel s to be output from Audio output 2 3 5 mm mini stereo phone jack Specify from among the following channels L R left and right default Left e Right Audio Setup submenu 2 of 5 The interval of the burst cycles and the amount of cycles in each burst are specified from this submenu Burst interval Specify the number of cycles per burst interval 0 through 65 535 cycles 2 12 VTG400D 400 DVI gt Installation and Operation Burst on Specify the number of active cycles in each burst 0 through 65 535 cycles The nu
27. 20 1080 33 72 29 97 YUV RGB HDSDI DVI sel 1920 1035 1080i 1920 1080 33 75 YUV RGB HDSDI DVI SGI 1920 x 1080 1080i 1920 x 1080 28 13 25 YUV RGB HDSDI DVI SGI 1920 x 1080 1080p 1920 x 1080 67 5 60 YUV RGB DVI sel 192021080 1080 1920 1080 33 75 YUV RGB HDSDI DVI SGI 1920 x 1200 1080p 1920 x 1080 33 72 29 97 YUV RGB HDSDI DVI SGI 1920 1200 1080 1920 1080 5625 50 YUV RGB DVI sel 2048 1120 1080p 1920 1080 28 13 25 vuv RGB HDSDI DVI Sun 1152 x 900 1080p 1920x1080 27 24 vuv RGB HDSDI DVI sun 1152 x900 1080p 24PsF 1920 1080 27 24 RGB HDSDI sun 12801024 1080p 24 5 1920 x 1080 26 97 23 98 YUV RGB HDSDI DVI sun 1600 x 1280 1035i 1920 1035 33 75 YUV RGB HDSDI sun 1920 1080 10351 1920 1035 33 72 29 97 YUV RGB HDSDI DVI Sun 1920 x 1200 Sun 1920 x 1200 Video Rates Super Hi Res NTSC 720x485 15 7 vio vic vuv RGB 501 Rates NTSCOIRE JPN 720x485 15 7 60 30 VID Y C YUV RGB 501 Cornerstone 1600 x 1800 PALI 720x575 15 6 50 25 VID Y C YUV RGB 501 Extron 1280 x 1024 PALB G H 720x575 15 6 50 25 VID Y C YUV RGB 501 Extron 1600 x 1280 PALN 720x575 15 6 50 25 VID Y C YUV RGB 501 Extron 1800 x 1440 VTG 400D 400 DVI gt Appendix A 21 Appendix cont d 22 VTG 400D 400 DVI Appendix 5 Warranty Extron Elect
28. 4 Raster 2 14 Video Setup submenu 2 Of 4 iiic tercie dieere ibtd ice AEE 2 14 NEE AE 24 Video Setup submenu 3 of 4 2 15 VTG 400D 400 DVI gt Table of Contents i lock mode Table of Contents cont d Autosequence Mode Autosequence Interval Video Setup submenu 4 of 4 RGB Color Channel Enable Advanced Setup menu Advanced Setup submenu 1 of 4 Time out interval Screensaver Mode Advanced Setup submenu 2 of 4 LCD Display Contrast LCD Backlight Advanced Setup submenu 3 of 4 Internal Temperature Native Rate for DVI Device Advanced Setup submenu 4 of 4 System Reset System Reset Confirm Exit menu Additional Functions Top panel security lockout button Quick select buttons Video output range and rate buttons Test pattern selection buttons Invert special features functions Adjusting the video level of test patterns Scope Trigger buttons Chapter 3 Serial Communication RS 232 Programmer s Guide Host to VTG communications Video test generator initiated messages Error responses Using the command response tables Symbol definitions Command response table for SIS commands Control Software for Windows Installing the software Downloading the VTG 400 software from the Web
29. 5 MHz 0 5 mV for RGB and component video 0 5 mV for NTSC S video and composite video 14 mV 5 mV for PAL S video and composite video RGBHV RGBS RGsB RsGsBs for RGB signals Tri level on Y R Y B Y channels component video 720p 10801 1080p Bi level on Y channel for all other component video rates NTSC PAL SMPTE 170M SMPTE 274M SMPTE 293M SMPTE 295M SMPTE 296M 0 3 Vp p for RGsB RsGsBs component video bi level sync 0 6 Vp p for RGsB RsGsBs component video tri level sync TTL 5 0 Vp p unterminated for RGBHV RGBS 75 ohms 5 ns TTL sync Positive or negative scan rate signal dependent Rise fall time NTSC PAL 0 All other signal rates Video output Number signal type Connectors Nominal level Minimum maximum levels 7 Resolutions eese Return loss Bee EE Sync Output TY EE eu E d E Output level Output impedance Max rise fall time Polarity A 2 VTG 400D 400 DVI gt Appendix Scope trigger connectors 1 BNC female scope trigger Audio THD Noise eene 0 00876 typical 6 dBu 1 55 V 1 kHz 0 18 38 dBu 9 75 mV 20 Hz to 20 kHz 0 0 05 dB 20 Hz to 20 kHz uocis 0 4 dB NOTE 0 dBu 0 775 Vrms 0 dBV 1 Vrms 0 dBV 2 dBu Audio output Number signal type WIG
30. 60 564 03 Nylon carrying case IEC power cord VTG 400D 400 DVI Setup Guide Extron software disk A 4 VTG 400D 400 DVI Appendix Test Patterns Chart The following chart lists the VTG test patterns and any special features Test Pattern Range Special Features Name Icon Work Stereo Super 16 9 HDTV Video Video Adjustable Invert station graphics Hi Res HR Levels Special Circles Safe Area 596 1096 16 9 Crop 4 3 Rates 4 3 Crop 16 9 Rates Rectangle Square Crosshairs 4x4 Crosshatch Coarse Crosshatch Fine Crosshatch 32 Level Split Grayscale Extreme Grayscale VTG 4000 400 DVI Appendix 5 Appendix cont d Test Pattern Range Special Features No Name Icon Work Stereo Super 16 9 HDTV Video Video Adjustable Invert station graphics Hi Res HR NTSC PAL Levels Special 12 Ramp Color Bars 13 8 color split SMPTE Bars with PLUGE pattern EBU Color Bars 8 color full bars Window 80 Window variable level Flat Field Flat Field with Targets Checker board Bounce auto matic Bounce manual toggle Toggle On Off n A 6 VTG 400D 400 DVI Appendix Test Pattern Range Special Features No Name Icon Work Stereo Super 16 9 HDTV Video Video Adjustable Invert station graphics Hi Res HR NTSC PAL Levels Special Alternating 22 Pixel
31. 7 Scope Trigger cursor vertical position relative to active area Measured from first line of active video in one line increments X18 Scope Trigger cursor horizontal position relative to total area Measured from beginning of the horizontal sync pulse in one pixel increments x19 Scope Trigger cursor vertical position relative to total area Measured from the first line of the vertical sync pulse in one line increments x20 Scope Trigger cursor shape 1 through 2 1 Crosshair default 2 Single pixel X21 Quick Select Preset number 1 through 4 x22 Quick Select Preset type 1 through 3 1 video settings 2 audio settings 3 all settings x23 Color enable type 0 7 0 black R off G off B off 1 blue R off G off 2 green R off B off 3 cyan R off G on B on 4 red R on 0 8 5 magenta 8 6 yellow R on Be off 7 white R on G on 3 4 VTG 400D 400 DVI gt Serial Communication 3 5 Video scan rate group 1 7 99 1 PC default 6 HDTV 2 CAD workstations 7 video 3 stereographics 99 custom 4 super high resolution 5 16 9 high resolution Scan rate group count 1 through 99 Scan rate group name 21 characters Test pattern count 1 through 99 Test pattern name 20 characters RGB sync format 1 RGBHV default 2 RGBS 3 RGsB 4 RsGsBs Firmware partition 1 f
32. BS output R G B H HV 11 RGsB RsGsBs output VTG 400D 400 DVI gt Installation and Operation 2 3 Installation and Operation R Y Y component video output connectors Connect a display device to the three female BNC connectors for component video output R Y B Y Component video output R Y Y B Y 15 pin RGB output connector RGBHV RGBS RGsB and RsGsBs are output through this 15 pin HD connector 7 RS 232 port This 9 pin female D connector provides for two way RS 232 communication See chapter three Serial Communication for information on how to install and use the control software and SIS commands The default protocol is 9600 baud 1 stop bit no parity and no flow control The rear panel RS 232 9 pin connector has the following pin assignments Pin RS 232 function Description No connection Female No connection No connection 1 No connection 5 1 2 Transmit data 2 Receive data 4 No connection 5 Signal ground 9 6 6 No connection DB9 Pin Locations 7 8 9 SDI HDSDI serial digital interface output connector VTG 400D only Connect an output device to the SDI HDSDI component output female BNC DVI I output connector VTG 400 DVI only Connect an output device to receive the DVI D signal from the female DVI I output connector Trigger output connector Connect an oscilloscope to this female BNC connector when using an oscilloscope to a
33. ENERATOR D SIG Pink noise FRQ N A 60 564 01 Ver 1 00 LEV 10dBu 245mv el QUICK SELECT Press any Quick Select button for 2 seconds Select SAVE Select QUICK SELECT SETUP 1 CANCEL Configuration to store ES Video settings CM ca Save changes o gt E gt gt Settings Saved to Button 1 Press either arrow selection button adjacent to the or selectors to save either the Audio settings Video settings or All settings both audio and video Press the arrow selection button adjacent to the selector to save the setting s to a Quick Select button or press the arrow selection button adjacent to the selector to cancel the operation and not save the setting s to a Quick Select button Quick Select Setup menu iech The audio and or video settings are saved when the Save selector is chosen Nothing is saved if the menu times out after approximately 15 seconds or if the Cancel selector is chosen To recall a previously saved configuration press the associated Quick Select button that was used to save the configuration The recalled configuration overwrites only the corresponding current settings The following illustration is an example of the LCD screen response after recalling Quick Select button 1 Settings Recalled for Button 1 2 20 VTG 400D 400 DVI gt Installation and Operation Video output range and rate buttons Press
34. G reverts to the factory installed firmware Firmware Version 1 00 1 3 28 VTG 400D 400 DVI gt Serial Communication s 7 2 VTG 400D 400 DVI turio Appendix A Reference Materials Specifications Included Parts Test Patterns Chart Test Patterns in Detail Video Output Scan Rate Table Appendix Specifications Video signal characteristics 200 MHz max 100 ppm DOtclock 50 Pixel clock accuracy Horizontal frequency range factory defaults 15 KHz to 131 kHz Vertical frequency range factory defaults 30 Hz to 120 Hz 140 ns 4 ns 2 RGBHV RGBS RGsB RsGsBs 1 component video 1 S video 1 composite video NTSC PAL 1 HD SDI SMPTE 292M SDI SMPTE 259M C VTG 400D only 1 DVI D single link VTG 400 DVI only 1 5 female BNC RGB 1 female 15 pin HD RGB 1 3 female BNC component video 1 female 4 pin mini DIN S video 1 female BNC composite video 1 female BNC SDI HD SDI 400D only 1 female DVI I DVI D VTG 400 DVI only 1 Vp p for RsGsBs Y of component video and S video and for composite video 0 7 Vp p for RGB and for and B Y of component video 0 286 Vp p burst for C of NTSC S video 0 300 Vp p burst for C of PAL S video 0 0 V to 1 0 Vp p 75 ohms Computer VGA WOXGA video NTSC PAL HDTV 16 9 high resolutions and custom resolutions user defined 30 dB
35. TSC color decoding systems and assist in proper setup of the color and tint hue controls in an NTSC television monitor or receiver The PLUGE pattern contained in the lower right section of the pattern is used to set proper black level as described for the dedicated PLUGE pattern available from the VTG 400 The small complimentary color rectangles at the bottom of the larger color bars are used to facilitate color and tint calibration In order to properly calibrate the color and tint controls some method of suppressing the red and green channels is necessary so that only the blue content of the color bar signal is in use This may be done by viewing the test pattern through a blue filter by switching to the blue only mode available on some monitors or by removing the red and green cables from the display input if the decoding process is being handled in an external video processor 12 VTG 400D 400 DVI gt Appendix The small blue rectangle under the white bar and the small white rectangle under the blue bar are used to indicate proper threshold of the color control level While viewing the blue bars adjust the color level control until the perceived brightness of the small rectangles merges with the larger bars to yield one consistent intensity Now adjust the tint control by viewing the small rectangles under the cyan and magenta bars Adjust the tint control until those bars merge into one long bar of consistent intensity There
36. Tmo xs 4 Set timeout interval Increment up 1 Tmo xs 4 Select next higher interval Increment down 1 Tmo xs gt Select next lower interval View 1 xs View current setting Set test pattern autosequence Specific value 2 Asq 4 Set autosequence interval Increment up 2 Asq 4 Select next higher interval Increment down 2 Asq 4 Select next lower interval View 2 4 View current setting Set audio signal type Set signal type 34 Ast K7 Select audio signal type x7 View 3 View current setting Set audio tone frequency applies to sine square wave and burst signals only Specific value 44 Afg Set tone frequency to 1 Increment up 4 Afq 4 Select next higher frequency Increment down 4 Afq xia 2 Select next lower frequency View 48 View current setting Set audio sweep speed applies to audio sweep signal only Set sweep speed xis 5 Sws xts 1 Set audio sweep speed to 1 Continued VTG 400D 400 DVI gt Serial Communication 3 7 Serial Communication cont d Command response table for SIS commands continued Additional description View current setting Set the VTG s level scale to xe View current setting Set audio level to 9 Set audio level to K10 Increase audio level 1 dB Decrease audio level 1 dB View current setting Mute audio for all outputs Unm
37. actory microcontroller firmware 2 factory FPGA firmware 3 updated microcontroller firmware 4 updated FPGA firmware 3 5 mm audio connector output channels 1 both left and right default 2 left only 3 right only Test pattern video level 0 through 100 in 1 1 IRE increments Screen saver mode 0 blank screen default 1 test pattern cycle Firmware build number four digits 0001 through 9999 Burst interval burst on duration 1 through 65535 cycles Frequency sweep mode 0 logarithmic sweep default 1 linear sweep Frequency sweep direction 0 low to high default 1 high to low Internal temperature in degrees Fahrenheit Internal temperature in degrees Celsius VTG 400D 400 DVI gt Serial Communication 5 S 8 5 BB E SS S A Additional description Turn power on Turn VTG power off Show power status Enable executive mode Disable executive mode View executive mode status Executive mode is disabled Show the controller firmware version Show the firmware versions for all partitions Show the firmware version for partition X39 Show the firmware build number Show the VTG 400 s part Show the VTG 400D s part Show the VTG 400 DVI s part Show test pattern output rate scan rate group timeout interval auto sequence interval View the list of video levels for all variable level test pat
38. ain and brightness black level controls cause loss of important details near white and black The extreme grayscale pattern allows easy evaluation of display setup for this important parameter The shallow ramps near white at the top of the pattern show performance near white The center level is 100 white The shallow ramp extends downward below 100 white by eight steps to 94 5 and upward above reference white to 105 5 in eight steps Each step represents a 0 685 change Adjusting contrast gain so that VTG 400D 400 DVI gt Appendix A 11 Appendix cont d each step above 100 is just visible ensures that peak video changes and details near white are preserved Conversely the shallow ramps near black at the bottom of the pattern show performance near black The shallow ramp extends downward below black 0 by eight steps to 5 5 and upward to 5 5 in eight steps Each step represents a 0 685 change Adjusting brightness black level so that each of the steps below 0 is just visible ensures that peak video changes and details in the shadows are preserved The center of the pattern includes a regular 15 step split grayscale for convenience and serves the same function as the split grayscale pattern described earlier 12 Ramp The ramp pattern is commonly used to evaluate display performance E in the area of pixel depth capability Since the creation of image test patterns using digital technology the industry acknowledges
39. al is defined by the total number of cycles on and off in each repeating period The burst on duration is defined by the number of cycles in the interval where the sine wave is turned on See the burst signal example below 2 8 VTG 400D 400 DVI Installation and Operation example of the sine burst signal is shown in the following illustration Interval 8 Cycles Burst Frequency 1 Cycle Setting the audio level The audio level for each audio signal type is selected from a range of values using the or Level buttons The following table lists the range of values Audio Audio Level Range Audio Level Range Signal Format in dBu increments in dBV increments 6 dBV to 74 dBV 4 dBV to 74 dBV 4 dBV to 74 dBV 4 dBV to 74 dBV 4 dBV to 74 dBV 16 dBV to 74 dBV 4 dBV to 74 dBV 4 dBu to 72 dBu 6 dBu to 72 dBu 6 dBu to 72 dBu 6 dBu to 72 dBu 6 dBu to 72 dBu 14 dBu to 72 dBu 6 dBu to 72 dBu Pink Noise White Noise Sine Wave Square Wave Frequency Sweep Polarity Test Sine Burst 19 18 48 Displayed levels are for high impedance loads For 600 ohm loads there is 0 7 dB unbalanced 1 3 dB balanced difference between the displayed and actual levels Setting the audio frequency The audio frequency for each audio signal type is selected from a range of values using the or Y Audio Frequency buttons and observing the LCD The following table
40. bdeckungen die Gefahr eines elektrischen Schlags und oder andere Gefahren bestehen Schlitze und ffnungen Wenn das Ger t Schlitze oder L cher im Geh use aufweist dienen diese zur Vermeidung einer berhitzung der empfindlichen Teile im Inneren Diese Offnungen d rfen niemals von anderen Objekten blockiert werden Litium Batterie Explosionsgefahr falls die Batterie nicht richtig ersetzt wird Ersetzen Sie verbrauchte Batterien nur durch den gleichen oder einen vergleichbaren Batterietyp der auch vom Hersteller empfohlen wird Entsorgen Sie verbrauchte Batterien bitte gem den Herstelleranweisungen Advertencia Alimentaci n el ctrica Este equipo debe conectarse tinicamente a la fuente tipo de alimentaci n el ctrica indicada en el mismo La alimentaci n el ctrica de este equipo debe provenir de un sistema de distribuci n general con conductor neutro a tierra La tercera pata puesta a tierra es una medida de seguridad no puentearia ni eliminaria Desconexi n de alimentaci n el ctrica Para desconectar con seguridad la acometida de alimentaci n el ctrica al equipo desenchufar todos los cables de alimentaci n en el panel trasero del equipo o desenchufar el m dulo de alimentaci n si fuera independiente o desenchufar el cable del recept culo de la pared Protecci n del cables de alimentaci n Los cables de alimentaci n el ctrica se deben instalar en lugares donde no sean pisados ni apretados por objetos que se pu
41. black when performing grayscale setup of a display When using a colorimeter or other suitable light measurement device the bias or lowlight controls are adjusted to provide the correct color of gray near black during grayscale calibration This pattern is located next door to the 80 level window to facilitate quick switching between high and low duty cycle window patterns in order to streamline the grayscale calibration procedure In addition the 20 level window is located next to the variable window pattern which may be set to any value from zero to 100 output level The default level for the variable window pattern is 100 16 Window variable level Window patterns provide a low duty cycle white or near white reference at screen center for performing grayscale setup without driving the display into a nonlinear operating condition The variable window pattern level defaults to 100 output level or full white Using the Up Down soft keys on the VTG 400 the level of this pattern may be set in 1 increments to any value required For direct view displays the 100 window level is normally used to set the highlight or gain controls when performing grayscale calibration With this pattern located next to the 20 window rapid pattern switching is possible between highlight and lowlight adjustments when performing the grayscale calibration procedure 17 Flat Field This pattern is used to evaluate white field uniformity The de
42. ble video test generator Throughout this manual the terms VTG video test generator and VTG 400D 400 DVI are used interchangeably to refer to the same products About the VTG 400D 400 DVI The Extron VTG 400D and VTG 400 DVI are advanced programmable and upgradeable video and audio test generators that deliver accurate wide bandwidth video signals and high performance audio test signals These test generators are professional quality reference tools for setup performance evaluation calibration and troubleshooting audio and video systems The VTG 400D 400 DVI offers a comprehensive array of video test patterns as well as a suite of audio reference signals Video is output simultaneously as RGB component video S video and composite video An SDI and HDSDI output is included with the VTG 400D A DVI D output is included with the VTG 400 DVI The VTG is designed to provide a wide variety of reference signal types A total of 113 output scan rates are available for high resolution computer video as well as HDTV NTSC and PAL Up to 183 additional rates can be programmed into the VTG A powerful and innovative feature is the Scope Trigger output patent pending which enables analysis of a selected area within the video image using an oscilloscope Scope Trigger greatly simplifies and speeds up oscilloscope setup for video signals by using a specially generated trigger signal precisely timed to a user defined target
43. bout two seconds to enable the VTG s button lock mode See the following illustration Button lock mode locks all top panel functions When button lock mode is active all functions and adjustments can still be made through RS 232 control For details on RS 232 control see chapter 3 To disable button lock mode simultaneously press and hold the Audio Signal Type button and the Video Test Pattern up cursor 4 button for about two seconds 2 18 VTG400D 400 DVI gt Installation and Operation RES VGA 640x480 FRQ 31 50kHz 60 00Hz PAT Fine Crosshatch SIG Pink noise FRQ N A LEV 10 dBu 245mV SIGNAL TEST TYPE PATTERN OD Simultaneously press both buttons for two seconds to enable button lock mode Button Lock Enabled SIGNAL TEST TYPE PATTERN Simultaneously press both buttons for two seconds to disable button lock mode Button Lock Disabled ie VIDEO TEST GENERATOR 60 564 01 Ver 1 00 Extron VTG 400 Button lock mode VTG 400D 400 DVI gt Installation and Operation Installation and Operation cont d Quick select buttons Up to four video and or audio settings can be saved by pressing one of the four top panel Quick Select buttons for two seconds until the Quick Select Setup menu appears The following menu flowchart illustrates this process Extron RES VGA 640x480 FRQ 31 50kHz 2 Power VTG 400 gt PAT Fine Crosshatch VIDEO TEST G
44. cles in the extreme corners of the test pattern The 4 3 format version if displayed on a 16 9 display in the widescreen mode shows the circles as being more egg shaped The centered vertical line and horizontal line form a crosshair target indicating the exact center of the image 2 Safe Area 59 1096 Television receivers typically CRT based types commonly extend the ME image raster beyond the edges of the display which is a practice called overscanning Overscanning hides image nonlinearities and raster scan artifacts as well as production test patterns typically hidden within the last few lines of the vertical blanking interval The safe area pattern thus becomes a guide for the technicians in the television production environment to show the likely amount of cropped display area on a typical consumer television receiver The outer rectangle indicates a 5 crop area which is the minimum amount of overscan for picture information The inner rectangle represents a 10 crop area and is referred to as the safe title area By maintaining all key action within the rectangle representing the 5 crop area the producer can guarantee that the viewer will be able to see all of the intended information By maintaining all titles inside the area bounded by the 10 safe area marker all text and titling will be seen by the viewer The centered vertical line and horizontal line form a crosshair target indicating the exact center of the image
45. crop e Rectangle square crosshairs e 4 4 crosshatch e Coarse crosshatch e Fine crosshatch e Ramp e Checkerboard e H pattern 2 22 VTG 400D 400 DVI gt Installation and Operation The following test patterns have a special feature function using the invert button e SMPTE Bars This pattern toggles blue mode on and off e Bounce manual toggle Toggles the center window on and off This pattern does not invert the entire pattern e Contrast transfer function This test pattern toggles the vertical lines between always on and blinking Refer to the Test Patterns in Detail section in appendix A of this manual Adjusting the video level of test patterns From the default cycle menu the video level of specific test patterns can be adjusted in 1 increments 1 IRE from 0 through 100 0 to 100 IRE Currently there are six test patterns that support this adjustable level feature e Window variable level Flat field Flat field with targets e Checkerboard e Contrast transfer function Hum bar detect These test patterns have globally adjustable video levels i e a change to one results in an identical change to all of the others Adjusting the level of the contrast transfer function test pattern results in changes to the contrast ratio percentage rather than the video level The hum bar detect and contrast transfer function levels are saved independently so changes to other pa
46. cted to the VTG 400 DVI is displayed on the LCD This information is detected from the EDID generated by the attached DVI device VTG 400D 400 DVI gt Installation and Operation 7 Installation and Operation cont d Internal Temperature e 67 to 257 F 55 to 125 C Native Rate for DVI Device e The preferred resolution of the device connected to the DVI connector VTG 400 DVI only Advanced Setup submenu 4 of 4 The VTG can be reset to default settings from this submenu System Reset YES NO Selecting YES displays a confirmation menu System Reset Confirm YES NO Selecting YES resets the VTG to factory default settings dech system reset does not affect any stored custom rates Those rates are not overwritten Exit menu The following flowchart describes the Exit menu Pressing the Next button from this menu causes the VTG to return to the default screen RES VGA 640x480 FRQ 31 50kHz 60 00Hz PAT Fine Crosshatch SIG Pink noise FRQ N A LEV 10 dBu 245mV ICH EXIT MENU MENU MENU gt MENU gt MENU gt Press NEXT button NEXT Exit menu Additional Functions The VTG 400 has several functions that are not accessible through the Menu and Next buttons Top panel security lockout button lock mode To prevent accidental changes to settings simultaneously press and hold the Audio Signal Type button and the Video Test Pattern up cursor 4 button for a
47. ducts Find a product and view available files Ed Install control and configuration ada Get viewers amp utilities here DirectX DirectX is a Windows technology that enables higher performance in graphics and sound on your PC Required for use with IP Intercom HelpDesk software Install it now Microsoft NET Framework The NET Framework runtime and associated files are required to run applications developed to target the NET Framework v2 0 Required for use with IP Intercom HelpDesk software Install it now Acrobat Reader Adobe Acrobat Reader is a free download that is necessary for viewing PDF Portable Document Format files Extron files offered in this format include the catalog pages brochures user manuals and product specifications Install it now JS Installer 5 6 This is the updated JavaScript engine for Windows that is needed for correct operation of Global Viewer and must be loaded on any client machines that plan to access the application Install it now Visit 100 2 VTG 400D 400 DVI gt Serial Communication 3 11 Serial Communication cont d 3 In the table on the Control Software screen scroll to locate the VTG 400 400D and click the Install link in the far right column VSC 29 062 01 1 2 Jul 20 2004 2 9MB Install Control software for the VSC 500 VSC 700 and VSC 900 via RS232 VTG 400 400D 29 076 02 1 1 Feb 11 2005 13 0 MB
48. e selected from a range of levels available for each audio format Depending on the audio signal format the audio frequency may be selected from a range of values See the Top Panel Features section earlier in this chapter for button descriptions Selecting audio signals The following table summarizes the seven audio signal formats available through the VTG Pressing the Signal Type button repeatedly scrolls through the signals and displays the signal type on the LCD AUDIO SIGNAL FORMAT DESCRIPTION Pink Noise Random noise that has constant energy per octave Used in loudspeaker testing and calibration White Noise Random noise that has an equal energy distribution across all frequencies between 20 Hz and 20 kHz Sine Wave Used in detecting distortion The frequency can be set from 20 Hz to 20 kHz in 1 12 octave steps Square Wave Square wave signal with 5096 duty cycle and no DC offset The frequency can be set from 20 Hz to 5 kHz Frequency Sweep Varies the frequency of a sine wave signal continuously over the specified frequencies Used to detect driver defects and mechanical sources of distortion Polarity test Pulsed waveform 1 Hz pulse positive going pulse width 1ms duty cycle 0 196 used in verifying the polarity of audio wiring Sine Burst Generates a sine wave of a specified frequency that is gated on and off for fixed intervals Used in testing the transient response of audio systems The burst interv
49. edan apoyar sobre ellos Reparaciones mantenimiento Solicitar siempre los servicios t cnicos de personal calificado En el interior no hay partes a las que el usuario deba acceder Para evitar riesgo de electrocuci n no intentar personalmente la reparaci n mantenimiento de este equipo ya que al abrir o extraer las tapas puede quedar expuesto a voltajes peligrosos u otros riesgos Ranuras y aberturas Si el equipo posee ranuras o orificios en su caja alojamiento es para evitar el sobrecalientamiento de componentes internos sensibles Estas aberturas nunca se deben obstruir con otros objetos Bater a de litio Existe riesgo de explosi n si esta bater a se coloca en la posici n incorrecta Cambiar esta bater a nicamente con el mismo tipo o su equivalente recomendado por el fabricante Desachar las bater as usadas siguiendo las instrucciones del fabricante ec AUR nu rep UE DI 6 ARR EEE ARE AFBI HIRR WEE WNL ie t a RT LIRR BE EBERT ARAR DEER RENE HEIA RHET BOR ABCA AEREE JEH TUE f E 8 CREIA RE I 0 BL APE UBL el De DI 2 PETAL SR ABE WAS ET 51081 RRE HEAL EH E ze Precautions Safety Instructions English This symbol is intended to alert the user of important operating and maintenance servicing instr
50. ency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense This unit was tested with shielded cables on the peripheral devices Shielded cables must be used with the unit to ensure compliance This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation NOTE NOTE Table of Contents Chapter 1 Introduction 1 1 About this 1 2 About the VTG 400D 400 DVI gt 1 2 Other Features E 1 2 Chapter 2 Installation and 2 1 Application Example 7 1 sss tnter 2 2 Tabletop or Desktop Placement 2 2 Rear Panel Connectors and Cabling sss 2 3 Connecting Audio Outputs 2 5 RCA 60 66 RETE 2 5 ALR 6 cave 2 5 Mini stereo iu Lent OI ea SAPE aaa okie 2 5 Top Panel Features
51. ent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions Avertissement Alimentations Ne faire fonctionner ce mat riel qu avec la source d alimentation indiqu e sur l appareil Ce mat riel doit tre utilis avec une alimentation principale comportant un fil de terre neutre Le troisieme contact de mise la terre constitue un dispositif de s curit n essayez pas de la contourner ni de la d sactiver D connexion de l alimentation Pour mettre le mat riel hors tension sans danger d connectez tous les cordons d alimentation de l arri re de l appareil ou du module d alimentation de bureau s il est amovible ou encore de la prise secteur Protection du cordon d alimentation Acheminer les cordons d alimentation de maniere ce que personne ne risque de marcher dessus et ce qu ils ne soient pas cras s ou pinc s par des objets R paration maintenance Faire ex cuter toutes les interventions de r paration maintenance par un technicien qualifi Aucun des l ments internes ne peut tre r par par l utilisateur Afin d viter tout danger d lectrocution l utilisateur ne doit pas essayer de proc der lui m me ces op rations car l ouverture ou le retrait des couvercles risquent de l exposer de hautes tensions et autres dangers Fentes et orifices Si le boitier de l appareil comporte des fentes ou des orifices ceux ci servent emp cher les composants
52. eo level applies to flat field targets checkerboard window CTF and hum bar patterns only Specific value Kai 154 Viv ka 41 Set the video level of the currently selected test pattern to a specific level Increment 15 Viv Select next higher level Decrement 15 Viv Select next lower level View 15 View current setting Test pattern auto sequence mode Enable 1 11 18801 4 Turn auto sequence mode on Disable 0 11 500 4 Turn auto sequence mode off View status 118 01 4 00 on off View current mode status VTG 400D 400 DVI gt Serial Communication 3 9 Serial Communication cont d Command response table for SIS commands continued Additional description Enable test pattern for autosequence mode Disable test pattern for autosequence mode List all test patterns that have been enabled for autosequence mode Enable the on screen display Disable the on screen display View the current status Enable the raster border Disable the raster border View the current status Set the screen saver type View the screen saver type View the total number of scan rate groups View the name of scan rate group X24 View the total number of test patterns View the name of test pattern Kal View the list of all test pattern names for the currently selected scan rate Reset everything all settings and adjustments are reset to the factory de
53. er 1 00 LEV 10 dBu 245mV Default menus during initial power up If no top panel buttons are pressed within a 15 second timeout period the following menu is displayed Both audio and video information are displayed RES VGA 640x480 FRQ 31 50kHz 2 PAT Fine Crosshatch SIG Pink noise FRQ N A LEV 10 dBu 2450 Default menu after 15 5606000 timeout The main menus are shown in the following flowchart The main menus for the VTG 400D and VTG 400 DVI are identical Use the Menu button to scroll between main menus rom any menu or submenu after 15 seconds of inactivity the VTG saves all adjustment settings and times out to the default screen Power RES VGA 640x480 on FRQ 31 50kHz 60 00 2 PAT Fine Crosshatch SIG Pink noise FRQ N A LEV 10 245mV ES ae E ES CS mm MENU 0 me Ca MENU 0 Tem NEXT Tem NEXT button MENU Main menus for the VTG VTG 400D 400 DVI gt Installation and Operation 2 11 Installation and Operation cont d 11918 press the Menu button while a submenu is active the next main menu becomes active For example the menu changes from an Audio Setup submenu see the following menu to the Video Setup main menu Audio Setup menu The following flowchart illustrates the Audio Setup menu system Pressing the Next button displays the audio setup submenus RES VGA 640x480 FRQ 31 50kHz 60 00
54. erformance of a graphics system The border area between bursts is 50 gray Anomalies of high frequency performance resulting in severe attenuation of the center burst of 1 1 pixels blend into the middle gray border In addition color shifts are most easily identified against the low frequency nature of the middle gray level Multiburst The television multiburst is intended to provide rapid evaluation of system bandwidth over the television channel using a waveform monitor or oscilloscope A full bandwidth system reproduces the multiburst with all bursts having equal amplitude from low frequency to high frequency Visually the pattern may be used to see the relative quality or effect on bandwidth of the color decoder system and luminance channel Each version of the multiburst includes one burst at the system subcarrier frequency so that luminance channel attenuation due to the quality of the color decoding system may be observed Each burst is symmetrical about a 50 middle gray pedestal Following are the basic specifications for the two multiburst formats in the 400 NTSC White reference bar followed by 0 5 1 2 8 3 58 and 4 2 MHz bursts PAL White reference bar followed by 0 5 1 2 4 4 43 and 5 MHz bursts A 16 VTG 400D 400 DVI Appendix 24 Alternating Pixels 2 dimensional This pattern is similar to the alternating pixel pattern discussed earlier however while it consists of one On one Off alte
55. escription and a scan rate selected After selecting the previously saved rte file open that file and click on the desired rate s The Select radio button selects all the rates in the file and the De select radio button deselects all the rates VTG 400D 400 DVI gt Serial Communication 3 19 Serial Communication cont d sia Import Scan Rates From File more rate rte Welcome To The Scan Rate Import Wizard Load import file and select the scan rates to import then click t to continue Rate Name Resolution po Import File Count VESAL 800 60035 20kHz 56 00Hz 03 28 2004 15 10 12 0 Max Capacity VESA4 10241768 56 40 70 00H2 09 28 2004 15 10 12 0 10241768 60 00kH2 75 00Hz 09 28 2004 15 10 12 0 Total Selected 0 1280x360 1280x960 70 00kHz 70 00Hz 09 28 2004 15 10 13 0 VESA11 12901024 64 00 60 0 09 28 2004 15 10 13 0 Used Memory 7 E Available Memory Select De select Ok Delete Close The Import File Count is the number of rates in the imported file The Max Capacity is the maximum number of Custom rates that theVTG can store The Total Selected is the number of rates selected in the imported file Used Memory is the number of rates in the Custom Rates folder Available Memory is the number of rates that can still be imported to the Custom Rates folder e Select Load File to select another rte file Select Ok to impor
56. evel Scale slider bar Adjust the audio level range for each signal type by moving the slider bar up or down or by selecting the left 4 or right 9 arrow buttons to make incremental adjustments to the audio level Audio Mute check box Select this box if audio is to be muted Square Wave Auto Attenuation Mode check box Select this box when a square wave signal should be automatically attenuated to 40 dBu 42 dBV when toggling through the audio signals Scale Mode radio buttons Select dBu or dBV Output Channel drop down box Select the audio output channel s left right or both channels Scope Trigger tab The Scope Trigger tab screen shown below features the Current Pattern test pattern drop down box from which an available test pattern for the current video rate may be selected The trigger point s display cursor can then be activated as either a crosshair or single pixel and the cursor can be placed using the Send Cursor To drop down box A specific trigger point can be reached by typing into the appropriate text boxes its X and Y coordinates relative to the active area or total area The cursor can also be placed by clicking in the Scope Trigger Window display or by clicking the directional arrows 4 lt v that are located above and to the right of the Scope Trigger Window display 3 24 VTG 400D 400 DVI gt Serial Communication Scope Trigger Window Extron TG 400 Jet
57. fault level of this white field is 100 but may be adjusted using the VTG 400 soft keys to any value from zero to 100 in 1 increments This pattern is also used for the measurement of display light output For example with the ANSI methods of measurement for display light output an appropriate light meter may be placed at each of the prescribed nine screen locations in order to obtain readings for entry into the ANSI calculations See the Flat Field with Targets test pattern for additional support with this task For situations requiring display of any one of the primary or secondary colors as a flat field the user may enter into the VTG 400 video setup menu and turn On or Off combinations of the primary output channels Also note that this feature is available to modify the color of most all the test patterns 18 Flat Field with Targets z zu Switching to the Flat Field with Targets pattern results in nine box el targets being overlaid upon the flat field pattern These targets guide the user with proper location placement of the appropriate light metering device for collection of light output levels used in calculation of the ANSI lumen value of the display The targets facilitate location of the light meter only and should be switched Off returning to the regular flat field pattern while taking the light measurement reading 14 VTG 400D 400 DVI Appendix 19 Checkerboard The checkerboard consists of sixteen rectang
58. fault rate memory is left intact Reset audio settings to factory defaults Command ASCII Command Response host to VTG VTG to host Enable disable patterns for test pattern autosequence mode Enable pattern 1 x2 174 Pas01 x2 1 Disable pattern 0 x2 17 Pas00 x2 1 173 2 x2 e x2 1 View pattern list On screen display Enable Disable View status Osd1 4 40 4 1 4 0 on off Raster border Enable Disable View status 1 0 1 41 0 on off Set screen saver type Set xa4 203t Sst View 20 1X34 4 Scan rate group count View group count 50 Scan rate group name Get scan rate group name 5518 Test pattern count View test pattern count Test pattern name Get test pattern name Get test pattern name list Zap reset to default settings Total reset Reset audio 3 10 VTG 400D 400 DVI gt Serial Communication Control Software for Windows The included Extron VTG 400 400D 400 DVI Control Program for Windows offers another way to control the VTG via RS 232 connection in addition to the Simple Instruction Set commands The control program s graphical interface includes the same functions as those on the video test generator s top panel and some additional features that are only available through the Windows based software The control software is compatible with Windows 98
59. gineer at 714 491 1500 USA 31 33 453 4040 Europe 65 383 4400 Asia or 81 3 3511 7655 Japan to receive an RA Return Authorization number This will begin the repair process as quickly as possible Units must be returned insured with shipping charges prepaid If not insured you assume the risk of loss or damage during shipment Returned units must include the serial number and a description of the problem as well as the name of the person to contact in case there are any questions Extron Electronics makes no further warranties either expressed or implied with respect to the product and its quality performance merchantability or fitness for any particular use In no event will Extron Electronics be liable for direct indirect or consequential damages resulting from any defect in this product even if Extron Electronics has been advised of such damage Please note that laws vary from state to state and country to country and that some provisions of this warranty may not apply to you Extron Middle East 971 4 2991800 971 4 2991880 FAX Extron China 400 883 1568 Inside China Only 86 21 3760 1568 86 21 3760 1566 FAX Extron Europe Extron Asia Extron Japan 800 3987 6673 800 7339 8766 81 3 3511 7655 Inside Europe Only Inside Asia Only 81 3 3511 7656 FAX 20 0 31 33 453 4050 FAX 65 6383 4664 FAX 2009 Extron Electronics All rights reserved Extron USA East 800 633 9876 Inside USA Canada Only
60. he program will extract the firmware file and its release notes to C Program FilesNExtronNFirmwareN 400 Uploading the firmware from the PC to the VTG 1 Connect the PC to the VTG via the video test generator s RS 232 port 2 Start the control program see Using the control program earlier in this chapter 3 Select Update Firmware from the Control Program window and follow the on screen instructions Extron TG 400 File Video Audio Options Help New Connection Rate Name RGB Sync Save Configuration Ctr S Restore Configuration Ctrl R RGBHV RGBS C RsGsBs Update Firmware System Reset Exit Color Enable Red Green Blue Test Patterns Settings Select Rates C De select Select Add View Import Export Copy Delete Print Set As Current 5 Power Is 8 Button Lock Enabled No Patter Selected RGBHY ASQ OFF BLANK NTO RTE 4 Select Upload from the Firmware Loader window as shown at right Select the desired firmware file The uploading of the firmware to the will take a few minutes Extron s Firmware Loader ver 7 File Help The original factory installed NOTE ginal factory Model VTG 4000 firmware is permanently available on the VTG Ifan attempted upload of new firmware fails for any reason the VT
61. ing the Video Range button selects from among eight output range categories Pressing the a and v Video Rate buttons selects an output rate for the chosen output range The output rates are displayed two at a time on the LCD See the following illustration Extron RES VGA 640x480 FRQ 31 50kHz 60 00Hz Power VTG 400 PAT Eine Crosshatch VIDEO TEST GENERATOR SIG Pink noise FRQ N A 60 564 01 Ver 1 00 LEV 10 98 245mV el C RANGE Press the Range button to select from among the following rate types PC CAD Workstation Stereographic Super High Res 16 9 High Res HDTV Video Other Custom PC RATES VESA12 1280x1024 91 10kHz 85 00Hz ISXGA 1400x1050 63 90kHz 60 00Hz Use the Rate buttons to select the rate Press the Select button to activate the selected rate SELECT 6 11911 4 After pressing the Select button or after 5 seconds of inactivity the VTG will return to the default menu Video output range and rate selection buttons After selecting the desired rate press the Select button to activate the selected rate Teu The VTG returns to the default menu after pressing the Select button or after 15 seconds of inactivity VTG 400D 400 DVI gt Installation and Operation 1 Installation and Operation cont d Test pattern selection buttons Depending on the currently selected video rate pressing the A and v Vide
62. internes sensibles de surchauffer Ces ouvertures ne doivent jamais tre bloqu es par des objets Lithium Batterie Il a danger d explosion s ll y a remplacment incorrect de la batterie Remplacer uniquement avec une batterie du meme type ou d un ype equivalent recommande par le constructeur Mettre au reut les batteries usagees conformement aux instructions du fabricant Vorsicht Stromquellen Dieses Ger t sollte nur ber die auf dem Produkt angegebene Stromquelle betrieben werden Dieses Ger t wurde f r eine Verwendung mit einer Hauptstromleitung mit einem geerdeten neutralen Leiter konzipiert Der dritte Kontakt ist f r einen Erdanschluf und stellt eine Sicherheitsfunktion dar Diese sollte nicht umgangen oder au er Betrieb gesetzt werden Stromunterbrechung Um das Ger t auf sichere Weise vom Netz zu trennen sollten Sie alle Netzkabel aus der R ckseite des Ger tes aus der externen Stomversorgung falls dies m glich ist oder aus der Wandsteckdose ziehen Schutz des Netzkabels Netzkabel sollten stets so verlegt werden daf sie nicht im Weg liegen und niemand darauf treten kann oder Objekte darauf oder unmittelbar dagegengestellt werden k nnen Wartung Alle Wartungsmafinahmen sollten nur von qualifiziertem Servicepersonal durchgef hrt werden Die internen Komponenten des Ger tes sind wartungsfrei Zur Vermeidung eines elektrischen Schocks versuchen Sie in keinem Fall dieses Ger t selbst ffnen da beim Entfernen der A
63. is not only delayed but suffers amplitude loss as well The multipulse consists of a low frequency level or white bar which indicates maximum video signal level This bar is followed by a series of pulses The first pulse is a 2T pulse without any modulation The 2T pulse represents the highest frequency component in the television luminance channel When its amplitude is maintained at the same level with the bar throughout the system distribution the low to high frequency response is considered satisfactory NTSC Multipulse The 2T pulse is followed by a series of modulated pulses First a 20T pulse encompassing a 1 MHz sine wave burst followed by a 12 5T pulse containing a 2 MHz sine wave burst followed by a 12 5T pulse containing a 3 MHz sine wave burst followed by a 12 5T pulse containing a 3 58 MHz sine wave burst followed by a 12 5T pulse containing a 4 2 MHz sine wave burst Much like the multiburst signal discussed earlier each of these frequencies provides an intermediate bandwidth point for consideration including the color subcarrier and a frequency burst at the bandwidth limit of the system The frequency burst inside each pulse is generated to fit within the pulse symmetrically and have an amplitude that matches the pulse height and duration without extending past its areal limits Group delay in a television distribution system causes relative time shift between the imposed burst and the encompassing pulse Amplitude disturba
64. layed on the VTG s LCD display and appears as white text in a black box centered on the test pattern See the following example illustration 2 14 VTG 400D A400 DVI gt Installation and Operation Res VESA3 1024x768 FRQ 48 40 kHz 60 00 Hz Video Setup submenu 3 of 4 Test pattern autosequence mode and autosequence interval are selected from this submenu Test pattern autosequence mode specifies whether to step through the test patterns in a predetermined sequence Test pattern autosequence interval specifies how long each test pattern in the autosequence mode will be displayed The predetermined sequence of test patterns is specified via RS 232 commands or the Windows based control program By default all test patterns are selected for autosequence See chapter 3 Serial Communication Autosequence Mode The mode can be enabled on or disabled off e OFF default Autosequence Interval There are 3 options for the interval e 15 seconds default e 30 seconds 60 seconds Video Setup submenu 4 of 4 To specify particular colors in the test patterns the individual color channels can be toggled on or off from this submenu See the following table of possible color combinations RGB Color Channel Enable Specify each color as enabled on or disabled off RED default ON GREEN default ON BLUE default ON Tea This adjustment affects only the RGB outputs BNCs and HD15 connector VTG 40
65. les with half being black 0 and half being white 100 This pattern is commonly used to measure contrast ratio of the display system and is the prescribed pattern for performing contrast ratio measurement within the ANSI procedure Fundamentally contrast ratio is the ratio of the peak white luminance value divided by the minimum luminance value near black By mathematical definition as the black level approaches true zero light output contrast ratio approaches infinity This pattern may be used to perform the ANSI contrast ratio measurement regimen or other methods as well The user may invert the pattern which will change the luminance of the starting rectangle and subsequent rectangles from the original luminance level to the opposite level Distortion of the 100 white rectangles on a CRT based or plasma type display indicate a condition of overdrive 20 Bounce automatic Some operating conditions of displays may only be evaluated or perceived with moving images or images that change in average duty cycle picture content over time The APL Average Picture Level bounce pattern provides just such a test The central area is comprised of a large white rectangle with a black crosshair pattern The pattern automatically changes between full white and full black continuously at one second intervals Bounce Pattern 1 sec 1 sec The white box in the center of the pattern toggles between black and white once every
66. lign its display to a specific point in the video waveform 19 18 38 The oscilloscope s external trigger needs to be configured to accept a TTL level 0 to 5 V signal RCA jack Audio output 1 Unbalanced mono audio is output from this female jack See the note below 1 3 5 mm mini stereo phone jack Audio output 2 Unbalanced mono audio on both left and right channels is output from this female mini phone jack See the note below 62 XLR audio output connector Audio output 3 Balanced mono audio is output from this 3 pin male connector See Connecting Audio Outputs later in this chapter for audio wiring instructions 2 4 VTG 400D 400 DVI Installation and Operation Connecting Audio Outputs The VTG has three types of audio output connectors an RCA jack VTG 400D only a 3 pin XLR connector and a 3 5 mm mini stereo phone jack RCA connector Unbalanced mono audio is output from this connector Wire the RCA connector as shown here Sleeve XLR connector Balanced mono audio is output from this connector Wire the female XLR connector as shown here 3 pin 3 pin Male Female 3 3 3 pin XLR Pin Configuration Application Pin 1 Pin 2 Balanced audio std ground shield positive negative on sending female connector hot live cold return Mini stereo plug Unbalanced mono audio on both left and right channels is output from this connector Wire the mini phone plug as sho
67. location on the image Other Features Video output connectors RGB composite and component video are output via BNC connectors or a 15 pin HD connector RGB S video is output from a 4 pin mini DIN connector SDI HDSDI VTG 400D is output via a BNC connector DVI D VTG 400 DND is output via a DVI I connector Audio output connectors Audio outputs are via a 3 pin XLR connector for balanced audio a 3 5 mm phone jack for unbalanced left and right audio and an RCA jack except the 400 DVI for unbalanced audio Scope Trigger cursor The Scope Trigger cursor may be visible or invisible If visible the cursor may be either a crosshair or single pixel and can be positioned anywhere within the video signal using the directional cursor buttons RS 232 remote control The VTG can be remotely controlled by a host computer via an RS 232 control port utilizing Extron s Simple Instruction Set SIS of basic ASCII commands or through the Windows based control software Flash upgradeable firmware The VTG s firmware can be updated using the Windows based Control program via the RS 232 port Nonvolatile memory The VTG retains its configuration settings after the video test generator has been powered off VTG 400D 400 DVI gt Introduction 1 2 s 2 3 VTG 400D 400 DVI turio Chapter Two Installation and Operation Application Example Tabletop or Desktop Placement Rear Panel Connector
68. may be interaction between color and tint so alternately adjust each control using this procedure until the blue bars across the screen are all of consistent intensity This ensures proper adjustment of the color decoder The inability to achieve an even intensity indicates the presence of color decoder errors Note that composite NTSC video utilizes a 7 5 IRE setup pedestal for the black level The S video format is likely to include the setup pedestal depending on the source system and the methodology for signal creation The VTG 400 includes the setup on the S video luminance signal output and on the component Y channel output Digitally produced component NTSC or decoded NTSC into the RGB domain does not utilize the setup pedestal This difference can account for a significant shift of black level when calibrating displays for multiple signal sources and formats EBU Color Bars 8 color full bars The EBU color bars are used by European television personnel H transmitting PAL Phase Alternating Line television signals Its function is identical to the NTSC color bars except that it is made up of eight single bars with no provision for color saturation setup or PLUGE The PAL system by design does not require a tint control on the receiver s decoder Therefore tint calibration is not required Note that the PAL transmission standard does not utilize a setup pedestal Therefore black level reference in the signal is consistent regardle
69. mber of active cycles in a burst must always be less than or equal to the total number of cycles in an interval Audio Setup submenu 3 of 5 The starting and ending frequencies of the frequency sweep audio test signal are specified from this submenu F Sweep Start Freq Specify the frequency sweep start frequency 20 0 Hz through 19 0 kHz Tech The start frequency can never be set greater than the stop frequency F Sweep Stop Freq Specify the frequency sweep stop frequency 21 2 Hz through 20 0 kHz The stop frequency can never be set lower than the start frequency Audio Setup submenu 4 of 5 The format and direction of the frequency sweep audio test signal are specified from this submenu F Sweep Format Log default sweep logarithmically more time spent in the lower frequencies Linear sweep linearly equal time spent in each frequency F Sweep Direction e Lo Hi sweep from the start frequency to the stop frequency e Hi gt Lo sweep from the stop frequency to the start frequency Moji See the Audio Setup submenu 3 of 5 earlier in this chapter Audio Setup submenu 5 of 5 To prevent damage to connected audio equipment audio muting and the automatic attenuation of the square wave signal can be specified from this submenu Audio Mute ON enable audio muting OFF default disable audio muting Square Wave Auto Attenuate ON automatically attenuate the square wave signal to 40 dBu when t
70. n be adjusted from 20 Hz to 20 kHz sine or 20 Hz to 5 kHz square Press the A button to increase the frequency and the button to decrease the frequency The adjustment is in 1 12 octave steps See Setting the audio frequency later in this chapter The audio frequency is indicated on the LCD display 2 6 VTG 400D 400 DVI gt Installation and Operation 110911 Ire Frequency buttons are held down for more than one second the VTG automatically advances through the frequency adjustment in the direction indicated by the button 4 Power Power up power down the VTG by holding down the Power button for one second Menu Press this button to enter the main menus and to move from menu to menu Quick Select Press these buttons to save and recall up to four user defined presets of current audio settings video settings or all settings See Quick select buttons later in this chapter Scope Trigger adjustment Press the cursor buttons to position the oscillosope s trigger point press the Shape button to toggle between a crosshair or single pixel on screen cursor and press the Hide button to make the cursor visible or invisible See Scope trigger buttons in this chapter Next Press this button to enter a specific submenu of a selected main menu Video test pattern Test Pattern Press the A or V button to select from among 28 different test patterns See Selecting a Video Test Pattern late
71. n configure the audio signal via the following adjustment tools Audio Frequency Tone slider bar Adjust the slider bar to specify the audio frequency for the sine wave square wave or sine burst signals It is adjusted by moving the slider bar left or right or by selecting the left 4 or right gt arrow buttons to make incremental adjustments to the audio frequency VTG 400D 400 DVI gt Serial Communication 3 Serial Communication cont d Frequency Sweep Sweep slider bar Adjust the slider bar to specify duration of the sweep signal It is adjusted by moving the slider bar left or right or by selecting the left 4 or right arrow buttons to make incremental adjustments to the sweep duration The frequency sweep format can be logarithmic more time spent in the lower frequencies or linear equal time being spent in the low and high frequencies The direction of the sweep can be from high to low frequencies or from low to high frequencies Start Stop Sweep slider bar Adjust the slider bars to specify the start and stop frequencies for the sweep signal It is adjusted by moving the slider bar left or right or by selecting the left 4 or right gt arrow buttons to make incremental adjustments to the start and stop sweep frequencies Sine Burst adjustments box Set interval and duration in cycles for the sine burst signal The sine burst duration is always less than the interval L
72. n illustration The Custom Rates scan group is the only group in which scan rates can be added deleted or modified All other scan rate groups remain static although they can be copied see the Copy button description later in this VTG 400D 400 DVI gt Serial Communication chapter Restore Form Form Apply Serial Communication cont d Calculated H x H 31 466 kHz 59 936 Hz Rate Name Resolution Pixel Clock Rate Name 75 Resolution Pixel Clock 25 173 Vertical Lines MilliSec Front Porch Back Porch 33 01 04 RGBSyncOpions 1 HPolaity O V Polarity O B Custom Rate Edit Mode Enabled Edit Mode Pixels Lines MicroSec Millisec Miscellaneous Information Member of Custom Rates Scan Rate 1 Rate Type USER Horizontal Pixels MicroSec Front Porch Aspect Ratio 94 3 Cipa 5 4 Square Pixel Interaced NOTE For hardware compatibility minor changes to the pixel clock frequency may be applied automatically upon saving updating the custom rate Enter the appropriate information in the above screen including the horizontal and vertical active video information rate name and resolution Select the Apply The VTG 400 DVI only outputs custom rates with a pixel clock of less than Click the Print button to print the screen image The information is sent to button to add the new rate NOTE 165 MHz NOTE Internet Explorer where i
73. nce of the burst within each pulse manifests as an upward or downward level shift which appears as concaved upward above black level for low level to convexed downward beyond black for excessive level VTG 400D 400 DVI gt Appendix 7 Appendix cont d Phase anomalies of the burst manifest as a wavy appearance at the base of the pulse region Transmission line quality and length have more proportional effect on the higher frequency pulse burst combinations Group delay effects may be combated using a video processing amplifier or an equalizing network at the termination end of the line PAL Multipulse The 2T pulse is followed by a series of modulated pulses 1 a 20T pulse encompassing a 1 MHz sine wave burst 2 a 12 5T pulse containing a 2 MHz sine wave burst 3 a 12 5T pulse containing a 4 MHz sine wave burst 4 a 12 5T pulse containing 4 43 MHz sine wave burst and 5 a 12 5T pulse containing a 5 MHz sine wave burst Much like the multiburst signal discussed earlier each of these frequencies provides an intermediate bandwidth point for consideration including the color subcarrier and a frequency burst at the bandwidth limit of the system The frequency burst inside each pulse is generated to fit within the pulse symmetrically and have an amplitude which matches the pulse height and duration without extending past its areal limits Group delay in a television distribution system will cause relative time shift between the imposed
74. o Test Pattern selection buttons selects from up to 28 different video test patterns The newly selected test pattern displays for three seconds before returning to the previous menu See the following menu Refer to the Test Patterns Chart in appendix A for the table of available test patterns and their features RES VESA6 800x600 FRQ 48 10kHz 72 00 2 Power VTG 400 gt PAT PLUGE VIDEO TEST GENERATOR 5 SIG Pink noise FRQ N A 60 564 01 Ver 1 00 LEV 18 dBu 97 6mV TEST PATTERN Press any Test Pattern button Fine Crosshatch RES VESA6 800x600 FRQ 48 10kHz 72 00Hz gt PAT Fine Crosshatch SIG Pink noise FRQ N A LEV 18 dBu 97 6mV qui Test pattern selection buttons Invert special features functions Certain test patterns as indicated in the Invert Special column of the Test Patterns Chart can be inverted i e black becomes white and white becomes black by pressing the arrow selection button adjacent to the invert symbol on the LCD screen See the following diagram Extron RES VESA6 800x600 FRQ 48 10kHz 72 00 2 Power VTG 400 PAT Bounce Manual Toggle VIDEO TEST GENERATOR 1 SIG Pink noise FRQ N A 60 564 01 Ver 1 00 LEV 18dBu 9767 Press the invert button to activate deactivate the Invert Special functions of specific test patterns The following test patterns feature the invert function Circles Safe area 16 9 crop e 4 3
75. oggling through the audio signals e OFF default disable automatic attenuation of the square wave signal VTG 400D 400 DVI Installation and Operation 2 13 Installation and Operation cont d Video Setup menu The following flowchart describes the Video Setup menu RES VGA 640x480 FRQ 31 50kHz 60 00 2 PAT Fine Crosshatch SIG Pink noise FRQ N A LEV 10 dBu 245mV VIDEO SETUP lt 2 of 4 gt On Screen Display E o o VIDEO SETUP lt 1 of 4 gt RGB Sync Format RGBHV Raster Border NEXT gt VIDEO SETUP lt 3 of 4 gt Auto Sequence Mode VIDEO SETUP lt 4 of 4 gt RGB Color Channel Enable GREEN NEXT ON Auto Sequence Interval 15 seconds BLUE Video Setup menu Video Setup submenu 1 of 4 The RGB sync format and a raster border are specified from this submenu RGB sync format Specify the RGB sync format RGBHV default RsGsBs RGsB RGBS Raster border A one pixel wide white border around the edge of the active area can be enabled on or disabled off e OFF default Video Setup submenu 2 of 4 The test pattern s on screen display can be enabled on or disabled off from this submenu On Screen Display OFF default When set ON and a new output rate is activated the VTG displays the rate type rate frequency and resolution for 4 seconds The text is identical to what is disp
76. on how to use the control program itself Some features including the miscellaneous options are only available via this control program These features are described in the sections of this chapter that correspond to the parts of the control program where the features are found 1 To run the control program double click on the VTG 400 Control Program icon in the Extron Electronics group or folder The Comm Port Selection dialog box appears on the screen From the Connect Using drop down list box select RS 232 serial port 191138 The VTG Control Program may also be run using previously saved configuration files generated by the Control Program by selecting Emulation Mode See Using the emulation mode later in this chapter 2 Click on the COMM port that is connected to the VTG s RS 232 port The Extron VTG Control Program window appears as shown in the following illustration The top menu bar consists of five drop down menus File menu e Video menu Audio menu Options menu Help menu The Video menu appears only when the vertical Video tab is selected There are three vertical tabs available Video tab Audio tab Scope Trigger tab The Video screen shown below is the default window when the Control Program opens Extron 0 File Video Audio Options Help 23 PcRates H Freq V Freq Scan Groups RGB Sync S RGBHV ORsGsBs Color Enable Red v Green Blue Select Rates ODe
77. ort RS 232 9 pin female D connector Baud rate and protocol 9600 baud 8 data bits 1 stop bit no parity Serial control pin configurations 2 TX 3 RX 5 GND Program control Extron s control configuration program for Windows Extron s Simple Instruction Set SIS General POW CP 100 VAC to 240 VAC 50 60 Hz 15 watts internal Temperature humidity Storage 40 to 158 F 40 to 70 C 10 to 90 noncondensing Operating 32 to 122 F 0 to 50 C 10 to 90 noncondensing COOLING Convection vents on sides Rack mount VTG 400D 400 DVI e Appendix 3 Appendix Enclosure Metal Enclosure dimensions 6 75 Hx 9 0 W 1 75 D 17 1 cm H x 22 9 W 4 4 D 7 5 19 1 cm H including connectors Product weight 3 3 Ibs 1 5 kg Shipping weight 7 lbs 4 kg Vibration etes ISTA 1A in carton International Safe Transit Association Regulatory compliance Safety cce CE CUL UL EMI EMC CE C tick FCC Class A ICES VCCI ies 30 000 hours A E 3 years parts and labor NOTE All nominal levels are at 5 NOTE Specifications are subject to change without notice Included Parts These items are included in each order for a VTG 400D 400 DVI Included parts Part number VTG 400D 1 60 564 02 400 DVI 1
78. oups of shallow horizontal steps Each group contains five steps in increments of 2 Hum Bar Detect Pattern Video Levels Background Adjustable between 0 100 2 4 6 4 2 Note All bar levels are given relative to the background video level The upper and lower groups ascend descend in value 2 4 6 4 2 and the middle group descends ascends in value 2 4 6 4 2 20 VTG 400D 400 DVI e Appendix VTG 400D 400 DVI Video Output Scan Rate Table Horiz Supported Output Type Pixel x Vert Supported Line Rate Rate Formats Line Rate Formats kHz Hz Hz Stereographics PC Rates Rates VGA 640 x 480 Stereographics VGA 640 x 222 31 5 120 RGB DVI VESA 2 VGA 640 x 480 SGI stereo 640x480 60 84 0 RGB DVI VESA1 SVGA 800 x 600 SGI stereo 640x512 65 28 120 RGB DVI VESAS SVGA 800 x 600 SGI stereo 1024 768 96 84 120 RGB DVI 5 6 SVGA 800 x 600 SGI stereo 1024x768 77 47 6 RGB DVI VESA3 XGA 1024 x 768 SGI stereo 1120x840 8438 96 RGB DVI VESA4 XGA 1024 x 768 SGI stereo 1280 1024 124 60 114 RGB XGA5 1024 x 768 SGI stereo 1280 1024 131 16 0 RGB 8 XGA 1024 x 768 SGI stereo 1280 x 492 63 96 120 RGB DVI VESA9 XGA 1024 x 768 TEIARS VESA10 XGA 1152x864 Rates 1280 x 960 1280 x 960 1280x360 1280 x 360 16 9 848x480 31 02 60 RGB DVI eene 16 9 852x480 318 0 RGB DVI 11 SXGA 128
79. plays Additionally this particular 4 x 4 pattern is useful for calibrating the position of picture in picture display boxes It may also be used to calibrate the division of the screen for multiplexed images such as in video wall applications or video multiplexing processors handling several images simultaneously 7 Coarse Crosshatch Crosshatch patterns are traditionally used for linearity and convergence adjustment both static and dynamic of CRT based displays The coarse crosshatch pattern may be appropriate for adjustment where more points of interest are required for optimum adjustment of large projected images It may also be used for critical skew alignment of the red blue and green signals within a twisted pair video transmission system Crosshatch patterns are typically generated using one pixel wide vertical lines highest frequency in a given scan rate and one line wide horizontal lines in the vertical scanning domain This feature makes the pattern useful for measuring high VTG 400D 400 DVI e Appendix A 9 Appendix cont d and low frequency response where the perceived brightness of both horizontal and vertical lines should be the same for a system with good frequency response 8 Fine Crosshatch Crosshatch patterns are traditionally used for linearity and convergence adjustment both static and dynamic of CRT based displays The fine crosshatch pattern consists of finely spaced lines to create many more inter
80. r in this chapter Video output range Range Pressing this button will display the video output range menu See Video output range menu later in this chapter Video output rate Rate Press the or button to select from among 113 different output rates See Video output range and rate buttons in this chapter 119113 the Rate buttons are held down for more than one second the VTG automatically advances through the video output rate adjustment in the direction indicated by the button 2 Select video settings Select Press this button to accept the specified video settings for the signal range 60 and output rate og 63 LCD display and four arrow selection c buttons View this five row liquid crystal display to read the VTG status menus and options Use the four arrow selection buttons on either side of the LCD to select function option icons as shown in the example below AUDIO SETUP lt 5 of 5 gt Audio Mute Srp o aa Square Wave Auto Attenuate oe ajja Press arrow selection buttons adjacent to the function option icons See the table of Function Option Icons on the right Each arrow selection button is assigned to the adjacent function on the LCD display The following table identifies the different function option icons The VTG s backlight times out after 10 seconds of button inactivity Pressing any button except the power but
81. rnating pixels on each horizontal line the phase is shifted 180 degrees for every other line thereby creating a minute checkerboard effect Because of the line to line phase shift this pattern is useful for critically evaluating pixel timing and phase in graphics display system The pattern is produced at the highest clock rate required for the selected image resolution Incorrect pixel digitization within a display manifests on the screen as regions of dancing pixels instability or noise in the test pattern Pixel timing and phase may be adjusted in most fixed pixel displays until any abnormal noise effects are nullified Multipulse The multipulse pattern is uniquely applied to evaluation of group delay in television signal distribution systems Individual frequencies propagate along cables such as coaxial cables at different speeds High frequencies are affected more than lower frequencies relative to one another The rate at which signals of differing frequencies propagate manifests as time of one signal component to the other This phenomenon is referred to as group delay In the case of NTSC or PAL television signals which contain many frequency components that must maintain strict timing relationships the chroma signal typically becomes misaligned in time delayed compared to the luminance transitions This results in poor edge quality and fidelity for areas containing color information since the color information
82. ronics warrants this product against defects in materials and workmanship for a period of three years from the date of purchase In the event of malfunction during the warranty period attributable directly to faulty workmanship and or materials Extron Electronics will at its option repair or replace said products or components to whatever extent it shall deem necessary to restore said product to proper operating condition provided that it is returned within the warranty period with proof of purchase and description of malfunction to USA Canada South America and Central America Japan Extron Electronics Japan Extron Electronics Kyodo Building 16 Ichibancho 1001 Bast Ball Road Chiyoda ku Tokyo 102 0082 Anaheim CA 92805 Japan U S A Europe Africa and the Middle East China Extron Europe Extron China Hanzeboulevard 10 686 Ronghua Road Songjiang 3825 PH Amersfoort District The Netherlands Shanghai 201611 China Asia Middle East Extron Asia Extron Middle East 135 Joo Seng Road 04 01 Dubai Airport Free Zone PM Industrial Bldg F12 PO Box 293666 Singapore 368363 United Arab Emirates Dubai Singapore This Limited Warranty does not apply if the fault has been caused by misuse improper handling care electrical or mechanical abuse abnormal operating conditions or non Extron authorized modification to the product If it has been determined that the product is defective please call Extron and ask for an Applications En
83. s 1 on 1 off Frequency Sweep Graphics Multiburst Multiburst Alternating Pixels 2 dimen sional Multipulse Transient Response Contrast Vert Line 26 Transfer Flashing Function CTF On HHHHHHHHHHHH HHHHHHHHHHHH HHHHHHHHHHHH 27 H Pattern HHHHHHHHHHHH HHHHHHHHHHHH HHHHHHHHHHHH Hum Bar 28 Detect VTG 400D 400 DVI e Appendix A 7 Appendix cont d Test Patterns in Detail The following test patterns descriptions are helpful in determining how and when the VTG s array of test patterns can be used The numbers correspond to the test patterns in the previously described Test Patterns Chart 1 Circles White circles on a black background are useful for checking overall image geometry and linearity The invert feature converts the pattern to predominantly white which may also be used to evaluate white field uniformity as well as geometry across the screen Projectors having low quality optics may show chromatic aberrations of the test pattern especially in the corners Chromatic aberrations manifest when the projection lens functions as a prism and separates light into its component colors Utilizing this pattern chromatic aberration is seen as a separation of red green and blue typically toward the corners of the image area When used in the 16 9 format the pattern shows the small cir
84. s and Cabling Connecting Audio Outputs Top Panel Features Audio Testing Features Menus Configuration and Adjustments Additional Functions Installation and Operation Application Example The illustration below is one example of implementing the VTG 400D Extron 15 pin HD VGA Cable Extron VTG 400D Video Test Generator Tabletop or Desktop Placement For tabletop or desktop placement install the self adhesive rubber feet pads provided onto the four corners of the bottom of the enclosure 2 2 VTG 400D 400 DVI gt Installation and Operation Rear Panel Connectors and Cabling 9 9 2 5 RS 232 SDI HDSDI 100 240V 0 3A Sep COMPOSITE S VIDEO TIL JU 224 4448 VTG 400 DVI rear panel connectors NOTE RGB video component video composite video S video SDI HDSDI P H VTG 400D only and DVI D VTG 400 DVI only video are output simultaneously 1 AC power connector Plug a standard IEC power cord into the connector to connect the VTG to a 100 to 240 VAC 50 60 Hz power source Composite video output connector Composite video is output through this BNC connector S video output connector S video is output through this 4 pin mini DIN connector 9 RGB computer video output connectors Connect a display device to the five female BNC connectors for RGBHV RGBS RGsB or RsGsBs video output as follows 866666 5 RGBHV output RG
85. s are not visible the black level is set too low When the test pattern background is illuminated such that the blacker than black bar is discernible against the black surround the black level is set too high Contrast Gain The group of four illuminated boxes in the center region of the test pattern are used solely for contrast control adjustment The intensities of the boxes are 25 50 75 and 100 from bottom to top Included within the 100 white box is a 95 box The contrast control or system gain should be adjusted using this pattern until no further increase in contrast produces additional light output from the 10096 box With traditional CRT displays the white box would bloom out of focus lose all line definition and tend to distort It typically would also shift toward yellow indicating a lack of blue light output when the threshold of nonlinearity is achieved The correct setting is just prior to any or all of these described conditions For fixed pixel displays such as LCD DLP or LCoS where the imaging element is merely controlling the amount of light transmitted or reflected the display system attains maximum light output and any further adjustment results in no visible change of brightness Adjusting past the threshold of maximum light output results in the clipping of highlight details close to white by pushing them into the full white output region of the display This point of maximum light output is diffic
86. s list the available frequencies Audio Signal Format Pink Noise White Noise Sine Wave Square Wave Frequency Sweep Audio Frequencies N A N A 20 Hz through 20 kHz see the following Audio Range chart 20 Hz through 5 kHz see the following Audio Range chart Sweep speed in seconds 120 90 60 30 20 10 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 1 Hz 20 Hz through 20 kHz see the following Audio Range chart Polarity Test Sine Burst VTG 400D 400 DVI gt Installation and Operation 2 9 Installation and Operation cont d Audio Range 20 Hz 80 Hz 315 Hz 1 25 kHz 5 00 kHz 21 2 Hz 85 Hz 335 Hz 1 32 kHz 5 30 kHz 22 4 Hz 90 Hz 355 Hz 1 40 kHz 5 60 kHz 23 6 Hz 95 Hz 375 Hz 1 50 kHz 6 00 kHz 25 Hz 100 Hz 400 Hz 1 60 kHz 6 30 kHz 26 5 Hz 106 Hz 425 Hz 1 70 kHz 6 70 kHz 28 Hz 112 Hz 450 Hz 1 80 kHz 7 10 kHz 30 Hz 118 Hz 475 Hz 1 90 kHz 7 50 kHz 31 5 Hz 125 Hz 500 Hz 2 00 kHz 8 00 kHz 33 5 Hz 132 Hz 530 Hz 2 12 kHz 8 50 kHz 35 5 Hz 140 Hz 560 Hz 2 24 kHz 9 00 KHz 37 5 Hz 150 Hz 600 Hz 2 36 kHz 9 50 KHz 40 Hz 160 Hz 630 Hz 2 50 kHz 10 00 KHz 42 5 Hz 170 Hz 670 Hz 2 65 kHz 10 60 kHz 45 Hz 180 Hz 710 Hz 2 80 kHz 11 20 kHz 47 5 Hz 190 Hz 750 Hz 3 00 KHz 11 80 kHz 50 Hz 200 Hz 800 Hz 3 15 kHz 12 50 KHz 53Hz 212Hz 850 Hz 3 35 kHz 13 20 KHz 56 Hz 224 Hz 900 Hz 3 55 2 14 00 KHz 60 Hz 236 Hz 950 Hz 3 75 kHz 15 00 kHz 63 Hz 250 Hz 1 0 kHz 4 00 kHz 16 00 kHz 67 Hz 265 Hz 1 06 kHz 4 25 kHz 17 00 kHz 71 Hz 280 Hz 1 12 kHz 4 50 kH
87. screen then choose the scan rate Activate the chosen rate by double clicking on the rate or by clicking the Set As Current button 3 16 VTG 400D 400 DVI gt Serial Communication 3 17 S RGBHV 5 ORsGsBs Color Enable v Red v Green v Blue Select Rates ODe select O Select 56 40kHz 70 00Hz 60 00kHz 75 00Hz 68 70 85 00Hz amp 7 50kHz 75 00Hz amp 0 00kHz 60 00Hz 70 00kHz 70 00Hz 75 00kHz 75 00Hz amp 4 00kHz 60 00H2 91 10 85 00Hz 63 30kHz 60 00H2 75 00kHz 60 00Hz 87 50642 70 00 2 106 30kHz 85 00Hz 115 00 71 80Hz 80 00kHz 75 10Hz amp 5 20kHz 60 00H2 TMO BLANK NTO Emulation Mode RGBHV ASQ OFF 23 Pc Rates Rate Name Freg VESA4 1024768 M TER VESAS 1024768 VESAI 1024768 VESA10 11521864 1280x960 1280x360 1280x960 1280x360 1280x960 1280x360 VESA11 1280x1024 VESA12 1280x1024 SXGA 1400x1050 VESA13 1600x1200 VESA14 1600x1200 VESA15 1600x1200 QXGA 2048x1536 1 051 136001024 1 052 1365x1024 Extron VIG 0 File Video Audio Options Help Scan Groups sp Pc Rates Cad Workstation Rates Stereographics Rates Super High Res Rates 16 9 High Res Hdtv Rates Videojother Rates Custom Rates Test Pattems Settings 1024x768 57 00 70 00Hz Scope Trigger Audio Video RTE GAS Add button Clicking this button allows you to add a new scan rate to the Custom Rates scan group See the following scree
88. section regions for finer convergence adjustment skew adjustment lens evaluation and so forth All three crosshatch patterns 4x4 large and fine include a border which indicates the maximum extension of the active image area for any given signal line rate 9 PLUGE The PLUGE Picture Line Up Generating Equipment test pattern is EB used for proper setup of black level brightness control and display gain contrast Setting Black Level Proper setup of black level or brightness is important for establishing the correct threshold where the display begins to emit light as the video signal moves away from black or cutoff Setting black level too low results in the crushing of details within the shadow regions of the image Setting black level too high results in washed out shadow areas Utilize the vertical bars on each side of the pattern for adjustment of black level PLUGE Pattern Video Levels 0 Black 100 2 4 2 2 4 2 The overall dark surround of the pattern should be as black as the blacker than black vertical bar 2 when the brightness control is properly adjusted When the brightness control is correctly set the remaining two vertical bars on each side 10 VTG 400D 400 DVI Appendix are visible The dimmer of the two is 2 and the brighter is 4 above black If either or both of the brighter bar
89. select O Select 31 50kHz 60 00H2 7 90 72 00Hz 35 20 56 00Hz 37 90kHz 60 00Hz 48 10kHz 72 00Hz 48 40kHz amp 0 00Hz 56 40kHz 70 00Hz 57 00kHz 70 00Hz amp 0 00kHz 75 00Hz 68 70kHz 85 00Hz 67 5042 75 00Hz amp 0 00kHz 60 00Hz 70 00kHz 70 00Hz 75 00 75 00H2 amp 4 00kHz 60 00Hz 31 10kHz 85 00Hz 63 30 2 60 00 2 BLANK NTO Emulation Mode RGBHV ASQ OFF GA 640x480 640x480 800x600 800x600 800x600 1024x768 1024x768 1024x768 1024x768 1024x768 VESA10 1152x864 1280x360 1280x960 1280x360 1280x360 1280x360 1280x360 VESA11 1280x1024 VESA12 1280x1024 SXGA 1400x1050 sp Dr Rates Cad Workstation Rates Stereographics Rates Super High Res Rates 16 9 High Res Hdtv Rates Videojother Rates Custom Rates Test Patterns Settings 640x480 31 50 60 00Hz PAT Coarse Crosshatch 3 14 VTG 400D 400 DVI gt Serial Communication Audio Video RTE VGA Drop down menus File menu The File menu features six functions New Connection Save Configuration Restore Configuration Update Firmware System Reset and Exit See the illustration below Video Audio Options Help New Connection Save Configuration 5 Exit Reselect a COMM port using New Connection Save Configuration saves the current configuration settings to a vtg file Restore Configuration retrieves configuration information from a previously saved vtg file Sy
90. selected scan rate s using Internet Explorer See the following screen sample 15 1512 2119193910 Internet Explorer Bag File Edit Favorites Tools ay O 3 S yer 2 09 m LA Address 18 c Program Files extron VTG 4001 htmli041217 scan rates htm Go 12 17 2004 4 57 43 PM 01 0001 PC Rates VGA 640x480 31 50 60 00Hz Pixels MicroSec lines 16 00 636 10 48 01 907 33 640 25 424 96 03 814 2 800 31 781 525 25 173 31 466 59 936 Negative Negative Test Patterns screen The Test Patterns screen shown in the following illustration allows you to select and activate a test pattern A test pattern can also be inverted black becomes white and vice versa from this screen Test patterns can also be automatically displayed sequentially at set intervals by selecting the Auto Sequence mode A test pattern may be removed from disabled or added to enabled the auto sequence list by right clicking on the test pattern and choosing the desired option VTG 400D 400 DVI gt Serial Communication 1 Enabled On Enabled On Enabled On Enabled Enabled Enabled on Enablad 09 Enabled On Enabled On Serial Communication cont d Extron VTG 400 Auto Sequence Mode check box Enables disables the Auto sequence mode Select All Patterns check box Enables disables all available test patterns for use in display or Auto sequence mode Auto Seq
91. set button system reset does not affect any stored custom rates Quick Select Presets Up to four sets of configuration settings video audio or all video and audio can be saved Save Preset and later recalled Recall Preset Before the save process is completed the process may be cancelled Cancel Preset Audio tab The Audio tab screen features seven audio signal types pink noise white noise sine wave square wave frequency sweep polarity sine burst File Audio Options Help 54 r Level Scale Audio Frequency Tone 5 00 kHz 55 From 72 dbu 019 mv To 64 1554 y 20 Hz 5 0 kHz E Sweep 1 Seconds 3 mu 5 zt i 1 120 Sec EA ERIE ill zl ZU Formats Logarithmic Direction Lov to high 97 SHEI HEE 3211 HIR PRUE ERIE H H 1 H H H H H H Start Stop Sweep ERIE ERIE ERLE 21 111111 Start at 19 00 kHz Stop at 20 00 kHz Eli 111 211111 A D J AH e EE EVIE BE 11111 20 Hz 20kH2 20H 20 kHz ERLE ERT 111 ER 1 11 ERIE Interval FE geen Audio Mute Scale Mode 5 deu dev Duration ere mis Square Wave Auto Attenuation Mode Output Channel Channels Sansal Signal Square Square Level 38dbu 9 76 mV Frequency 5 00 kHz Speed NJA BLANK NTO Emulation Mode You ca
92. ss of format 14 Window 80 Window patterns provide a low duty cycle white or near white reference at screen center for performing grayscale setup without driving the display into a nonlinear operating condition In particular driving CRT based projectors with high duty cycle signals causes an overdrive condition Therefore the 80 gray level of this pattern is a good choice for setup of highlight values when performing grayscale setup of a display where light output efficiency may not rival that of a direct view display Using the 80 window as the highlight value for performing color of white measurement with a colorimeter typically does not overdrive the projection system When using a colorimeter or other suitable light measurement device the gain or highlight controls are adjusted to provide the correct color of white during grayscale calibration The 80 window pattern is located next door to the 20 level window pattern to facilitate quick switching between high and low duty cycle window patterns in order to streamline the grayscale calibration procedure VTG 400D 400 DVI gt Appendix 13 Appendix cont d 15 Window 20 Window patterns provide a low duty cycle white or near white reference at screen center for performing grayscale setup without driving the display into a nonlinear operating condition The 20 gray level of this pattern is a good choice for setup of lowlight values those gray levels near
93. stem Reset resets the VTG to factory default configuration settings Update Firmware loads the VTG with firmware from a bin file Exit terminates the Windows control program system reset does not affect any stored Custom Rates Video menu The Video menu features seven functions Set As Current Add View Copy Delete Import and Export See the following illustration File 2 Audio Options Help Set As Current Ctrl T o Add gt Mem 0 o 5 Ctrl C el Import 5 Export CHE Set As Current sets the selected scan rate as the current scan rate The Add command presents a configuration window to create a new custom scan rate The View command displays the current scan rate s configuration profile The Copy command copies the selected scan rate to the Custom rates folder The Delete command deletes the selected custom scan rate from the Custom rates folder The Import command imports retrieves scan rates from a file to the Custom rates folder The Export command exports saves scan rates to a file Audio menu The Audio menu features the Restore Factory Audio Settings command and the Audio Mute command See the illustration below VTG 400D 400 DVI gt Serial Communication 3 15 Serial Communication cont d SE Options Help Audio Mute The Restore Factory Audio Settings command sets all the audio settings to factory default The Audio M
94. t can be viewed and printed View button Selecting this button allows you to view the selected rate s details If the selected rate is from the Custom Rates group the values can be edited and applied See the following screen example 3 18 VTG 400D 400 DVI gt Serial Communication Bi Factory Rate Edit Mode Disabled jit Mode alculatec xv Pixels Lines MicroSec Millisec Y 60 004 Hz Miscellaneous Information date esolution Member of PC Rates Rate 25220000 Scan Rate 6 Resolution 18 409 60 00Hz Rate Type FACTORY Pixel Clock lorizontal Vertical Pixels MicroSec Lines MilliSec Apr Front Porch Front Porch 2 235 Back Porch Back Porch J 00 600 Active Video Active Video 15 220 E AspecttRatio RGB Sync Option 5 4 Square Pixel H Polarity Interlace NOTE For hardware compatibility minor changes to the pixel clock frequency may be applied automatically upon saving updating the custom rate Edit the appropriate information in the above screen Click the Apply button to save the changes made NOTE Select the Print button to print the screen Import button Selecting this button allows you to import scan rates to the Custom Rates scan group See the following screen display A previously saved file of defined scan rates must first be opened via the Load File button see the following Export button d
95. t the selected scan rate s Select Delete to delete the selected scan rate s from the rte file Select Close to close the current window Export button Selecting this button allows you to export or save a scan rate to an export scan rate file See the following screen example The export file of saved rates can later be used to add rates to the Custom Rates folder via the previously mentioned Import button Open Create Export File 2 x Look in 0 Qtr Ei My Recent MyConfigurations Documents Desktop Mu Documents 1 85802490 File name Files of type Import Export Scan Rate Cancel Copy button Click this button to copy an existing scan rate s to the Custom Rates folder 3 20 VTG 400D 400 DVI gt Serial Communication Delete button Click this button to delete an existing scan rate s from the Custom Rates folder Set As Current button Click this button to set the selected scan rate as the current scan rate RGB Sync radio buttons Click one of these radio buttons to select the desired RGB sync RGBHV RGBS RGsB or RsGsBs RGB Color Enable check boxes Click these to enable the desired color s Red Green or Blue 11911 This affects the RGB outputs only Select Rates radio buttons Click De select or Select to deselect or select all rates in the current group Print button Click this button to print the
96. tallation By default the installation creates a folder called VTG400 in the following location on your computer c Program Files Extron VTG400 If there is no Extron folder in your Program Files folder the installation program creates it 3 12 VTG 400D 400 DVI gt Serial Communication Extron Electronics VIG 400 InstallShield Wizard Choose Destination Location Select folder where setup will install files Setup will install Extron Electronics VTG 400 in the following folder To install to this folder click Next To install to 3 different folder click Browse and select another folder Destination Folder C Program Files Extron VTG 400 Cancel 7 When the installation is complete close the Software products screen You can now start the Windows based control program Downloading the VTG 400 software from the Web The VTG 400 Windows based control program is also available on the Extron Web site at www extron com From this site you can also download updates to the VTG 400 software as they become available To access the software on the Web 1 Open the Extron Web page and select the Download tab 2 Download Center screen click the Control Software button shown at right A Control Software screen is displayed containing a list of control software products Control Software 3 In of the linked alphabets displayed across the top and bottom of the screen click V 4
97. temperature View internal temperature Quick select preset Recall configuration Save configuration View preset type 3 6 VTG 400D 400 DVI gt Serial Communication Command response table for SIS commands continued Command ASCII Command Response Additional description host to VTG VTG to host List rates All rates Ka 1 1 1 List VTG scan rates all rates returned By range x24 1 x24 1 414 List scan rates for range x24 Set test pattern Specific pattern 2 2 Tst x2 1 Select pattern X2 Increment up Tst 2 4 Select next higher pattern Increment down Tst 2 Select next lower pattern View J j 2 View current setting Invert test pattern Special function blue mode for SMPTE color bars and pause for CTF Invert current test pattern 122111 Inv1 4 Invert or activate the special function for the current test pattern Return to normal test pattern Inv0 Disables special function for selected pattern View status 14 04 on off View current setting Set output rate Specific value Rte x3 x24 Select rate x3 from range x24 Increment up Rte x3 x24 Select next higher rate in current range Increment down Rte xa x24 Select next lower rate in current range View x24 View current setting Set screensaver timeout interval Specific value 5 1
98. ter les pi ces de fixation Ne pas utiliser de pi ces de fixation ni d outils non recommand s par le fabricant du mat riel car cela risquerait de poser certains dangers Sicherheitsanleitungen Deutsch Dieses Symbol soll dem Benutzer in der im Lieferumfang enthaltenen Dokumentation besonders wichtige Hinweise zur Bedienung und Wartung Instandhaltung geben Dieses Symbol soll den Benutzer darauf aufmerksam machen daf im Inneren des Geh uses dieses Produktes gef hrliche Spannungen die nicht isoliert sind und die einen elektrischen Schock verursachen k nnen herrschen Achtung Lesen der Anleitungen Bevor Sie das Ger t zum ersten Mal verwenden sollten Sie alle Sicherheits und Bedienungsanleitungen genau durchlesen und verstehen Aufbewahren der Anleitungen Die Hinweise zur elektrischen Sicherheit des Produktes sollten Sie aufbewahren damit Sie im Bedarfsfall darauf zur ckgreifen k nnen Befolgen der Warnhinweise Befolgen Sie alle Warnhinweise und Anleitungen auf dem Ger t oder in der Benutzerdokumentation Keine Zusatzger te Verwenden Sie keine Werkzeuge oder Zusatzger te die nicht ausdr cklich vom Hersteller empfohlen wurden da diese eine Gefahrenquelle darstellen k nnen Instrucciones de seguridad e Espanol A A Precaucion Leer las instrucciones Leer y analizar todas las instrucciones de operaci n y seguridad antes de usar el equipo Este s mbolo se utiliza para advertir al usuario sobre ins
99. terns excludes fixed level patterns View the list of audio levels for all signal types dBu or ABV expressed based on setting View the list of test patterns that support invert or special purpose functions Show the temperature in degrees Fahrenheit amp Celsius Recall preset x21 Save settings specified for to preset 21 Show Quick Select Preset type for preset 21 Serial Communication cont d Command response table for SIS commands ASCII Command Response host to VTG VTG to host on off 60 564 01 4 60 564 02 4 60 564 03 4 Pat X2 Rte X3 Grp x24 gt Tmo e Asq xe 2 2 Kal 1 df dBu dBV e dBu 4 Kaj 5 Rpr 21 4 Spr kal 1 22 Command Power Turn power on Turn power off 0P 0p View power status P p Front panel security lockout executive mode Enable executive mode dE bs Disable executive mode 0X 0x View executive mode status X x Example X Query firmware version General query Q q Query all firmware 0Q 0q q Query specific firmware View build number O q Request part number Request VTG 400 part number Request VTG 400D part number Request VTG 400 DVI part Request information Display information View variable pattern video levels View all audio signal levels View invertable pattern list View internal
100. ton turns the backlight back on VTG 400D 400 DVI gt Installation and Operation 2 7 Installation and Operation cont d Function Option Icons Cursor movement and option selection EN Press the button next to this icon to move the cursor left or select an option at the left of the LCD Press the button next to this icon to move the cursor right or select an option at the right of the LCD E Press the button next to this icon to increment or scroll to the next selection 62 Press the button next to this icon to decrement or scroll down to the previous selection State indication and option selection 29 or This icon indicates the function is on active Press the button next to this icon to toggle the on state to off aD or Gi This icon indicates the function is off not selected Press the button next to this icon to toggle the off state to Option selection Press the button next to this icon to select yes or no Press the button next to this icon to save the current settings Press the button next to this icon to cancel not save the current settings Press the button next to this icon to invert the test pattern 6 Press the button next to this icon to return the test pattern from the inverted state to the original state Audio Testing Features The VTG can selectively output seven different audio signal formats The audio level can also b
101. trucciones importantes de operaci n y mantenimiento o cambio de partes que se desean destacar en el contenido de la documentaci n suministrada con los equipos Este s mbolo se utiliza para advertir al usuario sobre la presencia de elementos con voltaje peligroso sin protecci n aislante que puedan encontrarse dentro de la caja o alojamiento del producto y que puedan representar riesgo de electrocuci n Conservar las instrucciones Conservar las instrucciones de seguridad para futura consulta Obedecer las advertencias Todas las advertencias e instrucciones marcadas en el equipo o en la documentaci n del usuario deben ser obedecidas Evitar el uso de accesorios No usar herramientas o accesorios que no sean especificamente recomendados por el fabricante ya que podrian implicar riesgos gt HI EE lee BEES BIS Wir Fk ERI Se A FTO o REHAR MAR E HBAR EH 15 INA ERBI EANA m AHER TAGE cke Um ps FCC Class A Notice This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequ
102. tterns video levels do not affect these two patterns Use the adjacent arrow selection buttons to adjust the video level as shown here in the example display RES VESA8 1024x768 FRQ 60 00kHz 75 00Hz ES Checkerboard 0 SIG Freq Sweep SPD 9 0 sec LEV 09 dBu 275mV Refer to the Test Pattern Chart in appendix A for the table of available test patterns and their features Scope Trigger buttons A unique feature of the VTG 400 is the ability to locate a trigger point at a specific pixel location on an oscilloscope s signal display When a Scope Trigger button is pressed the LCD displays the Scope Trigger menu as shown in the following figure The cursor s location is given in coordinates x y relative to the active area as well as the total area of the screen display The range of the coordinates is dependent on the scan rates Connect the VTG 400 s trigger output to the external trigger input on the oscilloscope The trigger on the scope should be set for rising edge slope VTG 400D 400 DVI Installation and Operation 3 Installation and Operation cont d Press the Scope Trigger Cursor buttons a v 4 gt to position the oscilloscope s cursor on a line y axis of video and on a specific pixel x axis of that line This x y coodinate location is the trigger point Use the lt and buttons to position the cursor along the x axis and use the A and e buttons to position the cursor along
103. uctions in the literature provided with the equipment This symbol is intended to alert the user of the presence of uninsulated dangerous voltage within the product s enclosure that may present a risk of electric shock Caution Read Instructions Read and understand all safety and operating instructions before using the equipment Retain Instructions The safety instructions should be kept for future reference Follow Warnings Follow all warnings and instructions marked on the equipment or in the user information Avoid Attachments Do not use tools or attachments that are not recommended by the equipment manufacturer because they may be hazardous Consignes de S curit e Francais Cesymbolessert avertirl utilisateur que la documentation fournie avec le mat riel contient des instructions importantes concernant l exploitation et la maintenance r paration A Ce symbole sert avertir l utilisateur de la pr sence dans le bo tier de l appareil de tensions dangereuses non isol es posant des risques d lectrocution Attention Lire les instructions Prendre connaissance de toutes les consignes de s curit et d exploitation avant d utiliser le mat riel Conserver les instructions Ranger les consignes de s curit afin de pouvoir les consulter l avenir Respecter les avertissements Observer tous les avertissements et consignes marqu s sur le mat riel ou pr sent s dans la documentation utilisateur Evi
104. uence Interval drop down box Sets the Auto sequence e interval to 15 seconds 30 seconds or 1 minute Invert Pattern button Inverts black to white white to black the selected test Video Settings el pattern if the invert pattern is supported for that pattern Settings screen The Settings screen shown below features several options Extron TG 400 Scan Groups PC Rates CAD Workstation Rates Stereographics Rates Super High Res Rates 16 9 High Res HDTV Rates Videofother Rates Custom Rates Test Pattems Screen Display check boxes Select the On Screen Display check box to display the rate type rate frequency and resolution on screen for four seconds Select the Raster Border check box to display a black border around the display image The border is useful when centering and sizing the image VTG 400D 400 DVI gt Serial Communication 3 22 Screen Saver Select the Blank radio button to display a black screen 119144 While the screen is blank the horizontal and vertical sync are still active Select the Cycle radio button to cycle through valid test patterns for a specific video output see the Test Patterns Chart in Appendix A Select the Screen Saver Interval drop down box to set the screen saver timeout interval 5 minutes 10 minutes 15 minutes 30 minutes or never time out Advanced Reset the VTG to factory default settings by clicking the System Re
105. ult to visually gauge Use the 95 box within the 100 box as an indicator for the correct gain setting Just when the 95 box begins to climb in brightness and approaches the 100 setting the point of maximum is reached If the gain setting is too high the 95 box merges into the full white presentation of the 100 box Furthermore the luminance of the three lower boxes rises to a point where they become white and merge with the 10096 box This condition represents an adverse setting of the system gain 10 32 Level Split Grayscale This pattern is used to assess grayscale tracking or consistent color of l gray from black to white The ability of a display to render an accurate image rests with its ability to faithfully reproduce a linear grayscale There should be no perceived color shift across the presentation of gray levels Any color shift seen within this pattern manifests as a change in color hue or rendition within all imagery as intensities change from dark to light 11 Extreme Grayscale This pattern reveals the display s ability to produce subtle grayscale near the extreme white and black portion of the display s dynamic range As the display system approaches full white or black slight changes in luminance output convey shadow and detail near these extremes Displays must be capable of fully linear reproduction in order to exhibit good control near the extreme ends of the image range Incorrectly adjusted contrast g
106. ute audio for all outputs Show audio mute status Set the start and stop frequencies for the frequency sweep to be between these two frequencies The first value must be lower than never equal to the second value Default is 100 Hz to 10 kHz 29 109 View the start and stop frequencies Select the 3 5 mm stereo output connector channels to enable L R L R Show which 3 5 mm audio channels are enabled Set the burst signal interval to cycles View the burst signal interval Set the burst on duration to cycles View the burst on duration Set the frequency sweep mode View the frequency sweep mode Command ASCII Command Response host to VTG VTG to host View xis 4 Set audio level scale Set audio level scale 16 Scl A View 16 Set audio output level Set audio level to value Lev 9 4 Set audio level to value Lev Kio 1 Increment up Lev ttj Increment down Lev DU View Mute audio outputs Enable mute 1Z Disable mute 0 Amt 4 View status Z TDI er Set start and stop frequencies frequency sweep Frequency sweep 12 Sfq 14 View 12 Select 3 5 mm audio output channels Select channels 2 Och View 148 Set burst signal interval cycles Set 22 Bin View 224 Set burst on duration cycles Set 23 View 2 d Set frequency sweep mode Set 24 Smd edi View 248
107. ute command mutes all audio outputs Options menu The Options menu features six functions On Screen Display Auto Sequence Mode Auto Sequence Interval Raster Border Screen Saver Mode and Screen Saver Interval See the illustration below File Video Audio Help On Screen Display Scan Grou Pc Rate Auto Sequence Mode 038 We Auto Sequence Interval gt Stereoc Super Raster Border 1609 Hi d Hdwg creen Saver Mode Videofe Screen Saver Interval gt er Audio Video On Screen Display sets the output display on or off The Auto Sequence Mode command allows test patterns to be displayed in a predetermined sequence and can be set on or off The Auto Sequence Interval command specifies the duration each test pattern is displayed The Raster Border command sets the raster border around a display s active area as either on or off The Screen Saver Mode can set the screen saver to blank black screen or cycle The cycle option cycles through all valid test test patterns for a given scan rate e The Screen Saver Interval command sets the screen saver timeout interval to 5 minutes 10 minutes 15 minutes 30 minutes or never time out Help menu The Help menu allows you to access a help file Video tab The Video tab screen features three main categories Scan Groups Test Patterns and Settings Scan Groups screen Select the desired video format group from the Scan Groups
108. uter key Click on the Help menu from within the VTG 400 Control Program Double click on the VTG 400 Help icon in the Extron Electronics group or folder VTG 400D 400 DVI gt Serial Communication 3 25 Serial Communication cont d Using the Emulation Mode The VTG 400 400D 400 DVI Control Program features an emulation mode so that you can configure the VTG before actually using it on site In emulation mode you can save the emulated settings to a configuration file then load that Start the control program In the Comm Port Selection screen select configuration file to the VTG 1 Emulation Mode then click OK _Extron VTG 400 ecd File Video Audio Options Help Yideo Options ees Comm Port Selection RGB Sync L Setting YTG 400 Control Program 2 CRGBS 5 1995 2005 Extron Electronics 2 SCH Connect Using Emulation Mode Color Enable Red C Green C Blue Select Rates ODe select Select 2 You can create new configuration starting from the default settings see 2a or you can base the configuration on an existing setup see 2b 2a If you will be creating a brand new configuration enter a new file name and select Save as shown below instead of following step 2b Cancel Emulate VTG 0 Save in Data testit vtg 72 My Recent Documents File name My Computer Save as type vta 400 Configuration File
109. wn here Tip L Ring R Sleeve VTG 400D 400 DVI gt Installation and Operation 2 5 Installation and Operation cont d Top Panel Features Extron VTG 400 VIDEO amp AUDIO TEST GENERATOR SIGNAL TYPE POWER SELECT VTG 400D 400 DVI top panel features 60 Audio signal type Signal Type Press this button to select from among seven different audio test signals pink noise white noise sine wave square wave frequency sweep polarity test and sine burst The signal type is indicated on the LCD display See Selecting audio signals later in this chapter 2 Audio output signal level adjustment Level Press the A button to increase the RMS signal level and the button to decrease the RMS signal level See the Audio Setup menu section in this chapter to specify either dBu or dBV as the signal level unit The level setting is indicated on the LCD display The audio output level settings for all audio signal types see D above are retained after the VTG is powered off The default setting is 28 dBu for polarity test and 10 dBu for all other signal types the Level buttons are held down for more than one second the VIG automatically advances through the level adjustment in the direction indicated by the button 3 Audio frequency adjustment Frequency When audio signal type is either sine wave square wave or sine burst see above the audio frequency ca
110. worst case scenario for products that may radiate energy in relation to FCC regulations Typically an oscilloscope is used to measure the true performance of the display system using this pattern Frequency Sweep mx Within the NTSC or PAL environment the frequency sweep pattern provides sine wave sweep from near DC to the specified system bandwidth for the affected broadcast standard This pattern is used to evaluate system bandwidth performance and is also used to evaluate color decoder performance in the region of the chroma subcarrier frequency The sweep limit for NTSC is 4 2 MHz and the sweep limit for PAL is 5 MHz While some visual information can be derived from viewing this pattern on a display bandwidth evaluation is most accurately accomplished using an oscilloscope or waveform monitor 23 Graphics Multiburst The graphics multiburst provides groups of digital bursts consisting of 1 1 meaning one On one Off alternating pixels at screen center flanked 2 2 alternations then 4 4 alternations 8 8 alternations and a white reference Perception of grayscale should remain consistent throughout otherwise frequency response differences will cause color shifts particularly in the 1 1 burst as compared to the other bursts Utilizing an oscilloscope this pattern may be used to evaluate high frequency versus low frequency p
111. xecute the command because the command is invalid or it contains invalid parameters it returns an error response to the host The error response codes and their descriptions are as follows E05 VTG 400 power is off and an attempt has been made to send it a command E07 An attempt to select a nonexistent test pattern number has been made E08 An attempt to select a nonexistent scan rate number has been made E10 Invalid command E11 Invalid preset E13 Invalid value out of range E23 Checksum error 3 2 VTG 400D 400 DVI gt Serial Communication 3 3 Using the command response tables The command response tables in this chapter list valid command ASCII codes the video test generator s responses to the host and a description of the command s function or the results of executing the command The ASCII to HEX conversion table below is for use with the Esc 18 CR D go Tv gt lt 5 gt ASCII to HEX Conversion Table command response tables The command response tables use symbols defined below to represent variables Audio level positive Pink noise N A Polarity test N A All other signal types 0 to 6 dBu 0 dBV to 4 dBV Audio level negative Pink noise 72 dBu to 4 dBu 74 dBV to 6 dBV Polarity test 72 dBu to 14 dBu 74 dBV to 16 dBV All other signal types 72 dBu to 0 dBu 74 dBV to 0 dBV Audio level positive negative status onl
112. y Pink noise 72 dBu to 4 dBu 74 dBV to 6 dBV Polarity test 72 dBu to 14 dBu 74 dBV to 16 dBV All other signal types 72 dBu to 6 dBu 74 dBV to 4 dBV X11 VTG 400D 400 DVI gt Serial Communication Symbol definitions CR LF carriage return line feed hex 0D 0A CR carriage return Space Escape key Controller firmware version listed to two decimal places i e x xx Invalid firmware firmware not loaded x xx Currently active firmware Test pattern number 1 or 2 digits Scan rate number 1 to 3 digits Scan rate description 32 characters Timeout interval 0 4 0 Never time out 1 5 minutes 2 10 minutes 3 15 minutes 4 30 minutes Test pattern auto sequence interval 1 3 1 seconds 2 30 seconds 3 1 minute Audio test signal type 1 Pink noise 2 White noise 3 Sine wave 4 Square wave 5 Frequency sweep 6 Polarity test 7 Sine burst Audio level units 1 dBu 2 Hp tt Serial Communication Audio tone frequency 1 121 20 Hz to 20 kHz in 1 12 octave steps Audio Range 1 20 Hz 25 80 Hz 49 315112 73 1 25kHz 97 5 00 kHz 2 212Hz 26 85Hz 50 335112 74 132kHz 98 5 30 kHz 3 224Hz 27 90Hz 51 355112 75 140kHz 99 5 60 kHz 4 236 28 95Hz 52 375112 76 1 50 100 6 00 kHz 5 Hz 29 100Hz 53 400Hz 77 1 60kHz 101 6 30 kHz 6 265Hz 30 106 54 425Hz 78 1 70kHz 102 6 70 kHz 7 Hz 31 112Hz 55 450H
113. z 18 00 kHz 75 Hz 300 Hz 1 18 kHz 4 75 kHz 19 00 kHz 20 00 kHz Menus Configuration and Adjustments VTG configuration and adjustments are performed by using top panel controls and the menus that are displayed on the VTG s LCD screen The VTG can also be controlled via either the Extron Simple Instruction Set SIS commands or the Windows based control program see chapter three for details Moving through menus by using front panel controls Menu button Press the Menu button to activate menus and to scroll to the main menus After 15 seconds of inactivity the VTG times out and returns to the default menu cycle Next button Press the Next button to move between the submenus of a selected main menu 191838 lf a submenu is exited by pressing an audio or video adjustment button the NEXT button can be pressed from the default screen to return to that same submenu Arrow selection buttons Use these buttons to scroll through the submenu options and to make selections Refer to the flowcharts in this chapter and to specific sections for explanations of cursor button selections 2 10 VTG400D 400 DVI gt Installation and Operation Menu overview The default screen appears on the LCD when the unit is first powered on as shown here Extron RES VGA 640x480 Power FRQ 31 50kHz 60 00Hz on VTG 400 gt PAT Eine Crosshatch VIDEO TEST GENERATOR SIG Pink noise FRQ 60 564 01 V
114. z 79 1 80 kHz 103 7 10 kHz 8 30 Hz 32 118 Hz 56 475Hz 80 1 90 kHz 104 7 50 kHz 9 315Hz 33 125Hz 57 500Hz 81 2 00 kHz 105 8 00 kHz 10233 5Hz 34 132Hz 58 530Hz 82 2 12 kHz 106 8 50 kHz 11 35 5 35 140Hz 59 560Hz 83 2 24kHz 107 9 00 kHz 12 375112 36 150Hz 60 600Hz 84 2 36 kHz 108 9 50 kHz 13 40 Hz 37 160 Hz 61 630Hz 85 2 50kHz 109 10 00 kHz 14 42 5 Hz 38 170Hz 62 670Hz 86 2 65kHz 110 10 60 kHz 15 45 Hz 39 180 Hz 63 710Hz 87 280 111 11 20 kHz 16 475Hz 40 190Hz 64 750Hz 88 3 00 kHz 112 11 80 kHz 17 50 Hz 41 200Hz 65 800Hz 89 315 2 113 12 50 kHz 18 53 Hz 42 212112 66 850Hz 90 335kHz 114 13 20 kHz 19 56 Hz 43 224Hz 67 900Hz 91 3 55kHz 115 14 00 kHz 20 60 Hz 44 236112 68 950Hz 92 3 75 kHz 116 15 00 kHz 21 63 Hz 45 250Hz 69 1 0kHz 93 4 00kHz 117 16 00 kHz 22 67 Hz 46 265Hz 70 1 06kHz 94 4 25kHz 118 17 00 kHz 23 71 Hz 47 280 Hz 71 1 12 kHz 95 4 50kHz 119 18 00 kHz 24 75 Hz 48 300 Hz 72 1 18 kHz 96 475 kHz 120 19 00 kHz 121 20 00 kHz 91838 Square wave test signal uses frequencies 1 through 97 only xis Audio sweep speed 1 through 15 1 1sec 6 6 sec 11 20 sec 2 2 sec 7 7 sec 12 30 3 3 8 8 13 60 4 4 sec 9 9 14 90 5 5 sec 10 10860 15 120 sec X16 Scope Trigger cursor horizontal position relative to active area Measured from first active video pixel in one pixel increments x1

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