Rev. 00
Company Confidential Optoma_______________________ Delta____________
52
2008/07/02
6-1. Calibrate Analog RGB (EP774: 1024 x 768 @ 60Hz & EW674:1280x800@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
Step 3: Compare internal white pattern and RGB source white pattern, if the brightness gap ratio of these two
source is bigger than 3.5%.
