Acer X1230S Series - Page 72

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3. PC Alignment Procedure
OSD Default value:
Item
Value
Cal R Offset
127
Cal G Offset
127
Cal B Offset
127
Cal R Gain
127
Cal G Gain
127
Cal B Gain
127
YPbPr R Offset
127
YPbPr B Offset
127
Procedure:
Gray Level:
1. Connect power, D-sub, into projector.
2. Change Timing and pattern of pattern generator:
3. Timing: 1024*768 @60Hz (XGA)
4. Pattern: As White-black pattern {A near white color (240,240,240) and a near black
color(16,16,16)}
5. Light on projector
6. Set user OSD values to default.
7. Enter factory mode.
8. Set Factory values to default.
9. Press “Calibration RGB” to let the black level to just distinguish, and the light output
of white level to just max.
10. Check the 32 levels of gray. All steps must appear.
White-black pattern