Optoma ML300 Service Manual page 35

2.Auto Keystone Calibration
After replace main board, the "Auto Keystone Calibration" is needed:
Procedure :
Check pattern
- Please put the Projector on a horizontal surface.
- Press "Up"->"Home"->"Down"->"Zoom" buttons of Press "Up"->"Home"->"Down"->"Zoom" buttons of "Up"->"Home"->"Down"->"Zoom" buttons of
remote controller sequentially to get into Service
Mode.
- Press "VGA" of remote controller , then select "Auto - Press "VGA" of remote controller , then select "Auto of remote controller , then select "Auto
Keystone Calibration
- Press "Auto Keystone Calibration" for correction.
- Test signal:1280�800��0Hz
- Test pattern: General-1
, then select "Auto
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