I/O Port Function Test; Running A Vga Port Performance Test - Christie GS Series Service Manual

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.

I/O port function test

Always perform the I/O port function test after repairing the main board, the light engine, or
upgrading the scalar firmware. If performance is not normal, replace the main board or I/O board
(see Replacing the main board and I/O board

Running a VGA port performance test

ID Part name
1 Test equipment
2 Test signal
3 Inspection item
4 Inspection distance
5 Criteria
To perform the VGA port performance test, complete the following steps.
1.Connect the projector and video generator using a VGA cable.
2.Select the signal source VGA.
The image of video generator is projected.
GS Series 1075 Service Manual
020-001236-02 Rev. 1 (12-2019)
on page 83).
Description
Video generator
1920 x 1200 @60Hz General-1
VGA port performance test
1.8 to 2.2 m
No abnormal color performance, line distortion, or noise exist on the screen
Service setups
31