DVDO AVLab TPG - 4K Test Pattern Generator DVDO AVLab TPGTM 4K Test Pattern Generator User’s Guide Version 1.
DVDO AVLab TPG - 4K Test Pattern Generator Important Safety Information • • • • • • • • • • • • • • • Follow all instructions Use only a dry cloth to clean Use caution not to block any vents in either unit Indoor use only: To reduce the risk of electric shock, do not use near water or expose to rain or moisture.
DVDO AVLab TPG - 4K Test Pattern Generator Contents Overview ........................................................................................................................ 4 Input/Output ................................................................................................................. 5 Connections ................................................................................................................... 6 Controls: buttons and the remote ...................................
DVDO AVLab TPG - 4K Test Pattern Generator Overview Thank-you for purchasing the DVDO AVLab TPG – 4K Test Pattern Generator. AVLab TPG is an advanced 4K UltraHD Test Pattern Generator designed specifically for setup and calibration of displays in the field. Housed in a rugged metal case, and sized to fit in your pocket, AVLab TPG is ready to take to any installation job.
DVDO AVLab TPG - 4K Test Pattern Generator Input/Output Input Panel 1. Power in: Either 5V@3A coaxial power in or USB power from TV/Computer/USB adapter @ minimum .4A 2. Power indicator – Green LED indicates power is on 3. HDMI/MHL input: Accepts up to 4K HDMI or up to 1080p/60 MHL 4. Input indicators (Red = HDMI input active, Blue = MHL input active) Output Panel 1. HDMI output (to display) 2. IR receive: Built in IR receiver and 1/8” connection for IR receive dongle (e.g. Monoprice.com 8060) 3.
DVDO AVLab TPG - 4K Test Pattern Generator Connections AVLab is normally connected in one of three ways: 1) Manual mode: This Is normally used for quick display/projector setup to verify scaling, geometry, focus, and basic brightness/contrast. • Power can be supplied via USB cable from the TV USB port (if available), from a standard USB power supply, or a computer. • HDMI out to the display/projector. • Control using built in buttons and/or IR remote control USB HDMI DVDO AVLab TPG 6 A.
DVDO AVLab TPG - 4K Test Pattern Generator 2) CMS software mode • USB from PC for power/control • Camera to PC via USB • HDMI out to TV • Control from remote or PC software In this mode, the PC uses supplied drivers to create a virtual serial port connection to AVLab TPG for control. HDMI USB To Camera USB DVDO AVLab TPG 7 A.
DVDO AVLab TPG - 4K Test Pattern Generator 3) Pass Through mode Input from HDMI or MHL source HDMI USB or DC MHL/HDMI DVDO AVLab TPG 8 A.
DVDO AVLab TPG - 4K Test Pattern Generator Controls: buttons and the remote AVLab TPG has three physical buttons: • • F/W 01.01 • Pattern button manually cycles through the most common patterns and can be used if you do not have the remote or software control Resolution button cycles through four common video resolutions. This is particularly useful if the AVLab TPG is left in a mode (i.e. 4K) from a previous calibration that the current display does not support.
DVDO AVLab TPG - 4K Test Pattern Generator The AVLab TPG remote is specifically designed to allow fast access to patterns. Choose a pattern category using the top bank of buttons, then use the cycle buttons < and > to choose different patterns within that category. << and >> changes between categories. i.e. to get to Magenta 100 IRE, press the M button and then > 3 times to get to 100. For a 100 IRE color bar, press the color bar button and then > to get to the one you want.
DVDO AVLab TPG - 4K Test Pattern Generator On-Screen Display Menu System Pressing MENU on the remote control brings up the main menu, shown below. Asterisks (*) in the descriptions indicate the factory default settings. Information screen shows basic information on both the input and output resolution and color space. Output settings screen controls: Output Format: from 480 to 4K/60 *NOTE: While lower resolutions are available, they currently cause the OSD to be difficult to read – this is a known bug.
DVDO AVLab TPG - 4K Test Pattern Generator Test Patterns: Off, or select the specific test pattern to display. Pass Through Mode: Choose Test Patterns for displaying test patterns, or Pass Through to pass the input HDMI or MHL signal through to the output. In pass through mode, the display EDID is passed back to the input. AVLab TPG will sense the video that the input sends and set the output resolution, bit depth, and color space to match. DVDO AVLab TPG 12 A.
DVDO AVLab TPG - 4K Test Pattern Generator Updating Firmware AVLab TPG allows simple firmware update through an attached computer. Firmware version can be checked using the OSD menu and accessing the information screen. • • F/W 01.01 • • • • • • • Download the latest firmware from www.dvdo.com While holding the recessed “F/W update” button on the side of AVLab TPG, plug a USB cable into a computer and into AVLab TPG. For F/W ver 1.
DVDO AVLab TPG - 4K Test Pattern Generator Serial Control and Driver Installation AVLab can be controlled from a PC for interfacing to a Color Management System like CalMAN or ChromPure. Before using this feature, drivers must be installed to allow the computer to connect a virtual com port over USB. ** Important – the drivers currently available are unsigned drivers, so for Windows 8 and 8.1, you must first enable unsigned driver installation by following the steps in Appendix B.
DVDO AVLab TPG - 4K Test Pattern Generator Test Pattern List All loaded test patterns will be available from the serial connection, the IR remote, and the OSD, only a subset are available from the external button.
DVDO AVLab TPG - 4K Test Pattern Generator Green 60% Green 70% Green 75% Green 80% Green 90% Green 100% Blue 10% Blue 20% Blue 30% Blue 40% Blue 50% Blue 60% Blue 70% Blue 75% Blue 80% Blue 90% Blue 100% Cyan 10% Cyan 20% Cyan 30% Cyan 40% Cyan 50% Cyan 60% Cyan 70% Cyan 75% Cyan 80% Cyan 90% DVDO AVLab TPG 30 31 Green Green Green Green Green Green Blue Blue Blue Blue Blue Blue Blue Blue Blue Blue Blue Cyan Cyan Cyan Cyan Cyan Cyan Cyan Cyan Cyan Cyan X X X X X X X 16 A.
DVDO AVLab TPG - 4K Test Pattern Generator Cyan 100% Magenta 10% Magenta 20% Magenta 30% Magenta 40% Magenta 50% Magenta 60% Magenta 70% Magenta 75% Magenta 80% Magenta 90% Magenta 100% Yellow 10% Yellow 20% Yellow 30% Yellow 40% Yellow 50% Yellow 60% Yellow 70% Yellow 75% Yellow 80% Yellow 90% Yellow 100% Frame and Geometry Brightness Contrast DVDO AVLab TPG 32 33 34 1 Cyan Magenta Magenta Magenta Magenta Magenta Magenta Magenta Magenta Magenta Magenta Magenta Yellow Yellow Yellow Yellow Yellow Yellow
DVDO AVLab TPG - 4K Test Pattern Generator Alternating pixels Vertical Lines Horizontal Lines Judder 8 Color Bars 75 IRE 8 Color Bars 100 IRE 0 IRE 10 IRE 20 IRE 30 IRE 40 IRE 50 IRE 60 IRE 70 IRE 80 IRE 90 IRE 100 IRE Gray Ramp Cross Hatch Coarse Cross Hatch Fine Focus DVDO AVLab TPG 3 Visual X X 4 5 Visual Visual X X X X 6 7 Visual Bars X X X X 8 Bars X X 35 9 10 11 12 13 14 15 16 17 18 19 20 Grey Grey Grey Grey Grey Grey Grey Grey Grey Grey Grey Visual Visual X X X X X X 21 Visual
DVDO AVLab TPG - 4K Test Pattern Generator Half Pattern Black White Half Pattern 7Color Bars 75 IRE Half Pattern 7Color Bars 100 IRE Half Pattern 8Color Bars 75 IRE Half Pattern 8Color Bars 100 IRE White Black ISF Pluge White ISF Pluge Black ISF Pluge White 2 ISF Pluge Black 2 Create Custom Pattern DVDO AVLab TPG 23 Half X X 24 Half X X 25 Half X X 26 Half X X 27 Half X X 28 35 36 X X X X X X 37 38 X X X X 39 X X AF 3 parameters: R (0-100 in IRE) 19 A.
DVDO AVLab TPG - 4K Test Pattern Generator AA F/W 01.01 DVDO AVLab TPG G (0-100 in IRE) B (0-100 in IRE) Window (1100 in %) Input range, 3 parameters R/G/B in 0255, output color space, output range, window size, window background brightness 20 A.
DVDO AVLab TPG - 4K Test Pattern Generator Test Pattern Explanations AVLab TPG has three types of test patterns: • Visual patterns which can be used to roughly set display parameters and check performance and calibration. e.g. Frame and Geometry, Brightness, Contrast, focus, color bars, grey ramp etc. • Metering patterns that can be used with a simple meter to read and adjust colorimetry e.g. solid primary, secondary and grey colors • Dynamically generated patterns e.g.
DVDO AVLab TPG - 4K Test Pattern Generator Frame/Geometry Test Pattern Displayed Correctly (Image B) When this test pattern is displayed correctly, it should look like this, with a one-pixel wide white border around the edge of the screen: Frame/Geometry Test Pattern (Image C) DVDO AVLab TPG 22 A.
DVDO AVLab TPG - 4K Test Pattern Generator As you can see in image C, the test pattern is almost displayed correctly. You can see the 1-pixel wide white border on the top, bottom and left side of the image but not on the right side of the image. By adjusting the horizontal size of this signal to 1360 (rather than 1366), we can get this test pattern displayed correctly on our display.
DVDO AVLab TPG - 4K Test Pattern Generator The ‘Horizontal Lines’ test pattern should appear as one pixel tall black and white rows. If you see any irregular pattern(s) in the image then you know that the display is scaling the signal vertically. Judder (Frame Rate) The Frame Rate Conversion test pattern consists of a vertical bar which moves slowly back and forth across the screen.
DVDO AVLab TPG - 4K Test Pattern Generator Using the black patterns (background is 16) so set the brightness level on the TV until you can just see the difference between 16 and 17. Depending on how fine the display adjustment is, you may not be able to get this exact, but 16 should be black and 17 grey. Everything below 16 should not be distinguishable. Having this setting correct will bring out the details in dark pictures.
DVDO AVLab TPG - 4K Test Pattern Generator Brightness & Contrast This test pattern is composed of 4 quarter-screen blocks. Two of the blocks have a background level of standard black, and the other two blocks have a background level of standard white. Embedded in the black blocks are 3 bars. One is 4 IRE below black, one is 1 IRE above black, and the third is 2 IRE above black. Embedded in the white blocks are 3 bars.
DVDO AVLab TPG - 4K Test Pattern Generator appear ‘white’ with the details still intact. Because the contrast settings can affect brightness settings we recommend that you check the brightness setting after making this adjustment. Also included in the pattern are 2 needle pulses, which can be used to check CRT voltage regulation as well as the presence of scan velocity modulation. Note that the ISF PLUGE patterns are also an efficient way to set brightness and contrast.
DVDO AVLab TPG - 4K Test Pattern Generator A B B A Adjust Chroma/Color/Saturation control so the outer bars (and small bar under it “A” ) blend into each other, then adjust Tint/Hue so that the inner bars “B” blend into each other. When the Saturation and Hue are adjusted correctly, the white bar and the blue bar should be exactly the same shade when looking through the blue filter.
DVDO AVLab TPG - 4K Test Pattern Generator noticeable, then either using deep color (10 or 12 bits) assuming your source and content is compatible or adding a high quality video processor like the DVDO iScan Duo is an excellent solution. ** Note: Grey ramp is only available if the output is set to YC Solid colors These patterns are normally used with a color meter and software to read specific color levels. IRE stands for International Radio Engineers and it is a relative scale, NOT an absolute.
DVDO AVLab TPG - 4K Test Pattern Generator will be 16, 128, 128 (limited range black YCbCr). The window size is given in %. For more details see the serial control spec and examples in Appendix A. F/W 01.01 For Firmware version 01.01 and later, the new full triplet command is implemented allowing software to send the exact 0-255 RGB value to AVLab for more precision. This command is detailed in Appendix A with examples.
DVDO AVLab TPG - 4K Test Pattern Generator XHatch (coarse, fine, and focus): To get the best picture from your CRT-based display or projector, you will want to make sure that the red, blue and green signals are converged properly. To assist in converging these three signals we have included two test patterns. In addition to convergence, you will also want to make sure that the focus is optimally adjusted. We have included one test pattern designed specifically for this application.
DVDO AVLab TPG - 4K Test Pattern Generator F/W 01.01 Sharpness As its name implies, sharpness is used to adjust the sharpness control on a display. If sharpness is set too high, then single pixel black or white lines on a grey background will appear to have a halo. The top left of this screen (labels do not appear on the actual pattern) has a 1 pixel black cross and nearby single pixel white lines. Wider lines can be used to see the effect of sharpness control on larger video structures.
DVDO AVLab TPG - 4K Test Pattern Generator A Typical Calibration Session: Display calibration is a process that requires some level of expertise. Companies like AVPro Alliance offer Imaging Science Foundation [ISF] certification classes using CalMAN, and LionAV offers THX calibration classes using ChromaPure; both run over a few days to train an installer in the art and science of calibration.
DVDO AVLab TPG - 4K Test Pattern Generator d. Be sure to wear appropriate attire – no white – even stripes, no laptop pointing at screen e. Regarding projectors, most of the time the lamp is not a pure white but tends to put out more blue and green than red or vice versa. In this case, to calibrate requires cutting colors as opposed to boosting them so overall light comes down. So it depends on the usage model whether this is better for the customer or not.
DVDO AVLab TPG - 4K Test Pattern Generator g. Position the meter properly – dark room, proper distance and view h. Pay attention to redundant controls – processors, PCs and displays and DVD players all have controls. – Start with TV. Work from the light – calibrate the TV using generator right into TV, then put generator into AVR and recheck, then back to source. 3) Calibration (This below is based on the ISF workflow in CalMAN but the general flow is applicable in any software package) a.
DVDO AVLab TPG - 4K Test Pattern Generator g. h. i. j. k. l. clip at the top end and 100% contrast is rarely the right choice, so if it does not clip start with something around 80% to begin adjustments iii. Double check the visual adjustments with a meter read dynamic range series iv. Note that the brightness control actually controls the detail in darker parts of the image. If missing information in the blacks, brightness is too low.
DVDO AVLab TPG - 4K Test Pattern Generator color on the reference color chart. For primary colors (R, G, B), start with luminance, then adjust the color with saturation and hue (or x, y) and then readjust luminance. For secondary colors (C, M, Y), focus primarily on hue and saturation. m. Recheck everything – since many of the controls are interactive, the goal is to find the best balance between all the settings. You should be able to go through the entire workflow without making any further changes.
DVDO AVLab TPG - 4K Test Pattern Generator Troubleshooting: Issue: Possible Resolution: No picture or TV reports signal not supported TPG is putting out a resolution or bit depth that the TV cannot handle. Press the button on the side of the TPG marked “resolution” until auto appears and a signal returns. Garbled picture The TV is incompatible with the TPG output settings. This is most commonly a color depth set too high for the resolution that the TV supports.
DVDO AVLab TPG - 4K Test Pattern Generator Specifications 300 MHz (4K Ultra HD) HDMI output capable of up to HDMI 2.0 4K/60 @ 4:2:0 S/PDIF optical outputs Direct and dongle IR receive HDMI/MHL input 300MHz capable of up to 4K/60 passthrough via HDMI or 1080p/60 via MHL. Note that mobile device charging feature requires external 5V 3A DC power supply.
DVDO AVLab TPG - 4K Test Pattern Generator FCC Interference and Compliance Statement 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. FCC WARNING This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
DVDO AVLab TPG - 4K Test Pattern Generator Warranty and Getting Help General Warranty Terms DVDO, Inc., (DVDO), offers a limited warranty for its DVDO products. Any product first sold to you is guaranteed to be free from defects in both components and workmanship under regular uses. The warranty period commences on the date the item ships. Attention: Your invoice with the date of purchase, model number and serial number of the product is your proof of the date of purchase.
DVDO AVLab TPG - 4K Test Pattern Generator operation of the software will be uninterrupted or error-free. Thus, the software is sold ‘as is” unless otherwise explicitly stated in writing. Obtaining the Warranty Service Warranty service or Returned Merchandise Authorization (RMA) under this International Limited Warranty will be honored only if claims are made within the warranty period. For notifications to DVDO or products outside the warranty period, the process will be the same, but charges may apply.
DVDO AVLab TPG - 4K Test Pattern Generator Limitation of Liability DVDO reserves the right to refuse warranty service of products under disputable conditions. DVDO also holds the rights to declare final decision whether products are within warranty conditions. The following actions and damages will result in voiding the limited warranty: • Damage caused by act of nature, such as fire, flood, wind, earthquake, lightning, etc.
DVDO AVLab TPG - 4K Test Pattern Generator THE RIGHTS AND OBLIGATIONS OF THE PARTIES UNDER THIS AGREEMENT SHALL NOT BE GOVERENED BY THE PROVISIONS OF THE 1980 U.S.
DVDO AVLab TPG - 4K Test Pattern Generator All other trademarks and registered trademarks are the property of their respective owners in the United States or other countries. The absence of a trademark symbol does not constitute a waiver of Silicon Image’s trademarks or other intellectual property rights with regard to a product name, logo or slogan. DVDO AVLab TPG 45 A.
DVDO AVLab TPG - 4K Test Pattern Generator Appendix A: Virtual Serial Command Protocol Virtual Serial over USB: Using a specific virtual serial driver, AVLab-TPG will be connected to a laptop running Calman and able to bring up specific test patterns on command.
DVDO AVLab TPG - 4K Test Pattern Generator Each portion of the packet is described below. STX Start of transaction Transaction Type of transaction in 2 ASCII hexadecimal characters. Type Data Count Number of ASCII characters in the packet up. The count does not include ETX. Value Data section of the transaction. The protocol supports variable data sizes and types.
DVDO AVLab TPG - 4K Test Pattern Generator STX 30 DataCount ID NULL Value NULL ETX DataCount Number of ASCII characters before ETX ID Type of command (2 characters) Value Depends on ID 1) 5.0 List of Commands The table below describes the supported commands in the AVLab with current release software. All commands can be queried unless otherwise specified. 5.
DVDO AVLab TPG - 4K Test Pattern Generator Command Type COMMAND NAME Pass Through Factory Reset Output Format ID (Hex) PARAMETER NAME EA Test Patterns Pass Through BB 61 F/W 01.01 DVDO AVLab TPG Command 0x30 Auto 480i 480p 576i 576p 720p50 720p60 1080i50 1080i60 1080p24 1080p25 1080p50 1080p60 VGA60 SVGA60 XGA60 SXGA60 1080P30 4K24 (3840) 4K24 (4096) 49 PARAMETER VALUE (Decimal) FW Ver First Appear 0 1 don't care 0 19 3 20 4 5 6 7 8 9 10 12 13 14 15 16 17 18 21 22 1.00 1.00 1.00 1.00 1.00 1.
DVDO AVLab TPG - 4K Test Pattern Generator F/W 01.01 Color Space 6C InfoScreen A5 Test Pattern F/W 01.
DVDO AVLab TPG - 4K Test Pattern Generator XHATCHFINE FOCUS HALFBLACKWHITE HALFCLR7BARS75 HALFCLR7BARS100 HALFCLR8BARS75 HALFCLR8BARS100 FULLWHITE100 WHITEPLUGE1 BLACKPLUGE1 WHITEPLUGE2 BLACKPLUGE2 DVDO AVLab TPG 21 22 23 24 25 26 27 28 36 37 38 39 51 1.00 1.00 1.00 1.00 1.00 1.00 1.00 A.
DVDO AVLab TPG - 4K Test Pattern Generator Custom pattern AF AA RGB in %IRE plus Window Size RGB in full triplet 1.00 1.01 Queries: Queries allow an attached computer to query the status of AVLab over the USB/Virtual serial port. F/W 01.01 Command Type Query 0x20 COMMAND NAME ID (Hex) Output Format Pass Through Color Space Output YCbCr Product Name Firmware Version 61 EA 6C E5 A8 A9 DVDO AVLab TPG 52 A.
DVDO AVLab TPG - 4K Test Pattern Generator 6. Command Examples All commands have the same general structure with STX and ETX being hex $02 and $03 respectively, and the rest are ascii digits. STX CMD BYTECNT COMMAND_NAME NULL PARAM NULL ETX Notes: a) These commands are generated without checksums b) A positive number does not need the ‘+’ sign. However ‘+’ is also accepted by the protocol.
DVDO AVLab TPG - 4K Test Pattern Generator Custom Color Command: Displays 56, 80, 90 RGB color in 18% box STX 3 0 1 5 A DVDO AVLab TPG F NULL 5 6 NULL 8 54 0 NULL 9 0 NULL 1 8 NULL ETX A.
DVDO AVLab TPG - 4K Test Pattern Generator F/W 01.01 Detail of AA full triplet command: DVDO AVLab TPG 55 A.
DVDO AVLab TPG - 4K Test Pattern Generator Examples: 02 33 30 31 41 41 41 00 32 35 35 20 32 35 35 20 32 35 35 20 35 30 20 30 20 31 20 30 20 31 00 03 Parameters carried: RGB(255,255,255),windowsize=60, backgroundIRE=0, InRange=Full, OUTC=RGB, OutRange = Full.
DVDO AVLab TPG - 4K Test Pattern Generator Parameters carried: RGB(255,255,255),windowsize=60, backgroundIRE=0, InRange=Full, OUTC=YC422, OutRange = Full. Test result: output color space = YC422 output range = Limited background color (YCbCr) = 256,2048,2048 window color (YCbCr) = 3760, 2048, 2048 DVDO AVLab TPG 57 A.
DVDO AVLab TPG - 4K Test Pattern Generator Appendix B: Disabling signed driver restrictions in Windows 8 Windows 8.1: How to Disable Driver Signature Verification on 64-Bit Windows 8.1 Press the Win + C keyboard combination to bring up the Charms Bar, then click on the Settings Charm. We need to head into the Modern Control Panel, so go ahead and click on the Change PC settings link. DVDO AVLab TPG 58 A.
DVDO AVLab TPG - 4K Test Pattern Generator When the Control Panel opens, switch over to the “Update & recovery” section. DVDO AVLab TPG 59 A.
DVDO AVLab TPG - 4K Test Pattern Generator Then click on the Recovery option on the left hand side. DVDO AVLab TPG 60 A.
DVDO AVLab TPG - 4K Test Pattern Generator Once selected, you will see an advanced startup section appear on the right hand side. You will need to click on the “Restart now” button. DVDO AVLab TPG 61 A.
DVDO AVLab TPG - 4K Test Pattern Generator Once your Computer has rebooted you will need to choose the Troubleshoot option. DVDO AVLab TPG 62 A.
DVDO AVLab TPG - 4K Test Pattern Generator Then head into Advanced options. DVDO AVLab TPG 63 A.
DVDO AVLab TPG - 4K Test Pattern Generator Then Startup Settings. DVDO AVLab TPG 64 A.
DVDO AVLab TPG - 4K Test Pattern Generator Since we are modifying boot time configuration settings, you will need to restart your Computer one last time. DVDO AVLab TPG 65 A.
DVDO AVLab TPG - 4K Test Pattern Generator Finally, you will be given a list of startup settings that you can change. The one we are looking for is “Disable driver signature enforcement”. To choose the setting, you will need to press the F7 key. DVDO AVLab TPG 66 A.
DVDO AVLab TPG - 4K Test Pattern Generator DVDO AVLab TPG 67 A.
DVDO AVLab TPG - 4K Test Pattern Generator Windows 8.0: First, open the Settings charm. You can do this by moving your mouse to the bottom-right corner of your screen and clicking Settings. If you’re using a touch-enabled PC, swipe in from the right and tap Settings. Press Windows Key + I to open the Settings charm directly with a keyboard shortcut. Select the Change PC settings option at the bottom of the Settings charm. DVDO AVLab TPG 68 A.
DVDO AVLab TPG - 4K Test Pattern Generator In the PC settings app, select the General category. DVDO AVLab TPG 69 A.
DVDO AVLab TPG - 4K Test Pattern Generator Scroll down and click the Restart now button under Advanced startup. Your computer will reboot. Note that you can also hold the Shift key while tapping or clicking the Restart option on the Settings charm to immediately reboot your computer and bring up the advanced startup options. DVDO AVLab TPG 70 A.
DVDO AVLab TPG - 4K Test Pattern Generator Access Startup Settings When the Choose an option screen appears, click or tap the Troubleshoot tile. DVDO AVLab TPG 71 A.
DVDO AVLab TPG - 4K Test Pattern Generator Next, click or tap the Advanced options tile. DVDO AVLab TPG 72 A.
DVDO AVLab TPG - 4K Test Pattern Generator Select the Startup Settings tile on the Advanced options screen. DVDO AVLab TPG 73 A.
DVDO AVLab TPG - 4K Test Pattern Generator Click the Restart button on the Startup Settings screen to reboot your computer again. DVDO AVLab TPG 74 A.
DVDO AVLab TPG - 4K Test Pattern Generator Disable Driver Signature Enforcement On the Startup Settings screen, tap the F7 or 7 key on your keyboard to select the “Disable driver signature enforcement” option. DVDO AVLab TPG 75 A.
DVDO AVLab TPG - 4K Test Pattern Generator DVDO AVLab TPG 76 A.
