ViewSonic Corporation
14
5. Adjustment Procedure
A. Function Test and Alignment Procedure
1. All Modes Reset
You should do “All Model Reset” (Refer to Chap 3. Hot Keys for Function Controls) first.
This action will allow you to erase all end-user’s settings and restore the factory defaults.
2. Auto Image Adjust
The Auto Adjust is aimed to offer a best screen quality by built-in ASIC. For optimum screen
quality, the user has to adjust each function manually.
A.Turn the computer and LCD monitor on.
B. Press the ‘Auto’ button on monitor keypad to Auto Adjust.
C. The LCD monitor will start the Auto Adjust process automatically and run for 10 consecutive
seconds, during which time you will notice the image change.
3. Firmware
Test Patten: Burn in Model (Refer to Chap3. Hot Keys for Function Control)
-Make sure the F/W is the latest version.
4. DCC
Test Patten: EDID program
-Make sure it can pass test program.
5. Window Shut Down
Test Signal: 1400*1050@60Hz
Test Pattern:
Checkered Pattern Every One Pixel (50%Green & 50%Blue)
Inspection Item: Flicker, Mura
6. Window BG
Test Signal: 1400*1050@60Hz
Test Pattern:
Window standard pattern
Inspection Item: Line Defect, Function Defect & Mura
7. 25 Gray
Test Signal: 1400*1050@60Hz
Test Pattern:
Full Screen 25% White (Gray)
Inspection Item: Particle, Line Defect & Mura
VG2021m-1 Confidential - Do Not Copy
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