Optoma EW775, Руководство по обслуживанию

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Delta Elec. Inc. EX785_ EW775
Company Confidential Optoma___________________ Delta________________
86
2010/01/05
6-1. Calibrate Analog RGB (“1024x768@60Hz” & “1280x800@60Hz”):
Step 1
：
In Service 1Mode select ADC Calibration - VGA In this menu input pattern with
White(240,240,240) and Black(16,16,16) for calibrate VGA Source . After input ready press “Enter” key
to calibration
。
Input Pattern
Step 2
：
After complete the OSD will show the picture as follow , if not complete, just close the OSD
。
Note : Offset & Gain Value
Default After ADC
Offset 511
Gain 511
S
tep 3 : Compare internal white pattern and RGB source white pattern, if the brightness gap ratio of
these two source is bigger than 3.5%.