Acer X1230S Acer X1130, X1230, X1230K, X1230S, and X1235 Projector Series Serv - Page 72

3. PC Alignment Procedure OSD Default value: Item Cal R Offset Cal G Offset Cal B Offset Cal R Gain Cal G Gain Cal B Gain YPbPr R Offset YPbPr B Offset Procedure: Value 127 127 127 127 127 127 127 127 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 72