Acer P1200 Service Manual page 73

2. Video Calibration
Procedure
Check pattern
Inspection item
Criteria
3. G Sensor Calibration
- Test equipment: video generator
- Once Main Board is changed. Video Calibration
should be done as well.
(1) Test signal: 480i
(2) Test Pattern: SMPTEbar
- Note
(1) Calibration pattern should be in full screen
mode.
(2) Please press "Power", "Left", "Left" and "Menu"
buttons sequentially to get into Service Mode.
(3) Choose "Analog Settings", press "Menu" button
to access "Video Calibration for" correction in
Service Mode. Choose "Exit" to leave the
Service Mode.
- It should not have any lack of SMPTE BAR.
- Test signal: 480i
- Test pattern: In focus II or 64 grey RGBW
* After finishing Video Calibration, check 64 gray
RGBW pattern.
- Color saturation
- There should not have any lack of RGBW. The
color should appear normal and sort in right order.
- Color levels should be sufficient and normal.
- Please put the Projector on a horizontal surface.
- Please press "Power", "Left", "Left" and "Menu"
buttons sequentially to get into Service Mode.
- Choose and press "G Sensor Calibration" for
correction.
P1100C/P1200i/P1200B
SMPTEbar
InFocus II
/ 64 gray RGBW
Confidential
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