Calibration - Optoma ML300 Service Manual

4-4 Calibration

1. PC Calibration
Note:If the white/black value of VGA signal abnomal, you can do the "PC
calibration"
Procedure
Check pattern
Inspection item
Criteria
- Test equipment: video generator
- Once Main Board ,Engine Module ,or upgrading
firmware is changed, PC Calibration should be done firmware is changed, PC Calibration should be done is changed, PC Calibration should be done
as well.
(1) Test signal analog: 1280X800��0Hz
(2) Test Pattern: �4�W/�.4�W �4�W/�.4�W
- Note
(1) Calibration pattern should be in full screen mode.
(2) Please press "�p"-�"�ome"-�"�own"-�"�oom" of "�p"-�"�ome"-�"�own"-�"�oom" of
remote controller to get into Service Mode.
(3) Choose "PC Calibration" for correction.When the
message "Success" appears, it means "PC
Calibration" is OK. Choose "Exit" to leave the
Service Mode.
- Test signal:1280�800��0Hz 1280�800��0Hz
- Test pattern: �4 gray RGBW
� After finishing PC adjustment, check �4 gray PC adjustment, check �4 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. (the
unidentified color levels on both left and right
sides should not over 8 color levels.)
Engine Module ,or upgrading
1280X800��0Hz
to get into Service Mode.
adjustment, check �4 gray
64 gray RGBW
ML300
Confidential
White/Black
4-8