Christie GS Series Service Manual page 23

ID Part name
5 Criteria
1. Project the 64 Gray RGBW pattern.
2. Enter Service mode.
See Entering Service mode
3. Click Wheel Index (3x) or select Wheel Index (2x).
4. Click Filter Index.
5. Set up for the color index value.
Only confirm the red color level as the other color levels are not taken into account.
a. Adjust the index upwards until red does not appear smooth.
b. Record the a index value.
c. Adjust the index downwards until red does not appear smooth.
d. Record the b index value.
e. Set the index value to (a+b)/2.
6. Project the 256 Gray pattern.
7. To ensure normal and sufficient color levels, set up the color index value by pressing the Left or
Right button.
GS Series 630-635 Service Manual
020-001224-02 Rev. 1 (08-2018)
Description
• Colors in 64 Gray RGBW and 256 Gray test patterns appear sharp and clear.
• No noise is visible on the screen.
on page 13.
Service setups
23