Acer P1200 - Page 73

P1100C/P1200i/P1200B
Condential
4-8
2. Video Calibration
Procedure - 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.
Check pattern - Test signal: 480i
- Test pattern: In focus II or 64 grey RGBW
* After nishing Video Calibration, check 64 gray
RGBW pattern.
Inspection item - Color saturation
Criteria - There should not have any lack of RGBW. The
color should appear normal and sort in right order.
- Color levels should be sufcient and normal.
3. G Sensor Calibration
- 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.
SMPTEbar
InFocus II
/ 64 gray RGBW