ViewSonic VS10725 Service Manual page 24

40 1280 x 960
41 1280 x 1024
42 1280 x 1024
43 1280 x 1024
5-1.5.2 Auto Image Adjust
Please select and enter "Auto Image Adjust
"Auto Image Adjust
optimum screen quality, the user has to adjust each function manually.
5-1.5.3 Firmware
Test Pattern: Burn in Mode (Refer to Chapter III-3. Hot Keys for Function Controls)
- Make sure the F/W is the latest version.
5-1.5.4 DDC
Test Pattern: EDID program
- Make sure it can pass test program.
5-1.5.5 Fine Tune and Sharpness
Test Signal: 1280 x 1024 @ 60.0kHz
Test Pattern: Line Moiré Pattern
- Check and see if the image has noise and focus performs well. Eliminate visual line bar.
- If not, readjust by the following steps:
(a) Select and enter "Fine Tune
eliminate visual wavy noise.
(b) Then, select and enter "Sharpness
5-1.5.6 White Balance
Test Signal: 640*480@60Hz
Test Pattern: Full White and Black Pattern
5-1.5.7 R, G, B, Colors Contrast
Test Signal: 1280 x 1024 @ 60.0kHz
Test Pattern: R, G, B, Color Intensities Pattern and 16 Gray Scale Pattern
- Check and see if each color is normal and distinguishable.
- If not, please return the unit to repair area.
5-1.5.8 Screen Uniformity and Flicker
Test Signal: 1280 x 1024 @ 60.0kHz
Test Pattern: Full White Pattern
- Check and see if it is in normal condition.
ViewSonic Corporation
@ 75 Hz, 75.2 KHz
@ 50 Hz, 52.7 KHz
@ 60 Hz, 64.0 KHz
@ 75 Hz, 80.0 KHz
function is aimed to offer a better screen quality by built-in ASIC. For
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function on "Manual Image Adjust
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function on Main Menu to see if it is workable. The
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function to adjust the clarity and focus of the screen image.
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to adjust the image to
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