Adjusting The Color Index - Christie GS Series Service Manual

1. Project the 64 Gray RGBW test pattern.
2. Enter Service mode.
See Entering Service mode
3. Click Wheel Index (3x) or select Wheel Index (2x).
4. Click Phosphor Index.
5. Set up for the phosphor index value.
Only confirm the blue color as the other color levels are not taken into account.
a. Adjust the index upwards until blue does not appear smooth.
b. Record the a index value.
c. Adjust the index downwards until blue does not appear smooth.
d. Record the b index value.
e. Set the index value to (a+b)/2.

Adjusting the color index

After replacing main board, cooling module, color wheel, and upgrading firmware, adjust the color
index.
Warning! Failure to comply with the following could result in death or serious injury.
• Do not look into the projector lens when the laser is on. The extremely high brightness can cause
permanent eye damage.
ID Part name
1 Test equipment
2 Test timming
3 Test pattern
4 Inspection items
GS Series 630-635 Service Manual
020-001224-02 Rev. 1 (08-2018)
on page 13.
Description
Video generator
• 1080P: 1920 x 1080 @60Hz
• WUXGA: 1920 x 1200 @60Hz
64 Gray RGBW, 256 Gray
• Check if the color level is supersaturated.
• If the color level is supersaturated, the 64 Gray RGBW and 256 Gray test patterns
appear blurred and fuzzy.
Service setups
22