ViewSonic Corporation
Confidential - Do Not Copy VP2650wb-1
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5. Adjustment Procedure
1. Alignment procedure (for function adjustment)
A list of necessary alignments for the LCD monitor:
Items Description Remark
1 Timing adjustment Preset timing
2 Auto color balance adjustment Timing 114
VGA 480 640x480@60Hz
Pattern 42(5-Mosaic)
3 Color temperature adjustment 1=C1/9300/Bluish,
2=C2/6500/sRGB/,
3=C3/5000/Reddish,
4=User, 5=Cx, 6=Cx2
4 Writing EDID file Analog
A. Preparation:
1. Setup input timing to 640x480@60Hz and 5-Mosaic pattern (pattern 42).
2. Enter factory mode (first press “2”and then press “[ ]” button to turn on monitor).
3. Setup color at User color and “Burn in mode” =“ON”
4. Turn off the monitor, remove the input source and then power on again.
5. Setup unit and keep it warm up for at least 30 minutes.
B. Geometry adjustment & checking (for preset timing modes)
1. Enter factory mode (first press “2”and then press “[ ]” button to turn on monitor).
2. Run “Clear User” to erase user settings.
3. Select timing mode from Figure-1 and input full screen display pattern to monitor.
4. Enter OSD to run “Auto Image Adjust” function for geometry adjustment.
5. Check if the H/V position, Fine Tune and Horizontal Size of the image are ok or
acceptable to make sure function and performance are ok.
6. Run “Clear User” to erase user settings.
7. Turn off the monitor power.
8. Turn on the monitor power again to check if monitor’s image settings are ok and with
following settings.
CONTRAST = 70
BRIGHTNESS = 100
COLOR = 6500K (default setting)
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