Christie D4K40-RGB Replacement Instructions Manual page 13

7. Lower and remove the bench jack.
8. Re-install all other system components and connections that were removed/disconnected in
previous steps.
9. Power the system on.
10. Adjust the LOS coupling mirror.
11. Perform the LiteLOC v1 calibration.
Adjusting the LOS coupling mirror
Understand how to adjust the LOS coupling mirror.
1. Decrease the red laser power to low (30% to 40%).
To access the laser power settings, in the left navigation pane, tap Laser Settings > Laser
Power/LiteLOC Setup.
2. On a tripod in front of the lens, set up an illuminance meter (such as the Konica Minolta T10
Illuminance Meter) aimed at the center of the projection beam sent to the screen.
The illuminance meter must be facing the lens.
3. Set the green and blue laser power levels to 0.
4. Turn on the light source.
5. Wait 1 minute for the lasers to stabilize.
6. Remove the electronics-side cover.
7. Using a small, flat-head screwdriver, adjust the LOS coupling mirror to maximize the lux
reading on the illuminance meter.
8. To set the white point to DCI white, increase the green and blue power levels.
Make sure the red laser power is still set to low.
9. Visually check for uniformity and fine tune the elbow mirror adjustment.
10. Once the adjustment is complete, adjust the laser power to the preferred level.
11. Replace the electronics-side cover and, using a 3 mm driver, secure the cover using the four
quick-access fasteners.
12. Proceed to adjusting the integrator rod and fold mirror.
Performing the LiteLOC v1 calibration
Due to the manufacturing tolerance of the color sensor board and the LOS system, calibrate the
LiteLOC v1 response to the light intensity as the temperature of the laser devices changes.
1. Contact Christie Technical Support for a copy of the Horizon Factory Calibration Procedure
spreadsheet.
2. On the projector, display a framing test pattern.
3. Setup the color meter in the same manner as used for creating laser and MCGD files.
4. Login to the projector with Installer access or higher.
5. Navigate to the laser power settings page.
6. Set the following values:
• LiteLOC is disabled
4K-RGB Laser Optical Subsystem Replacement Instruction Sheet
020-103107-02 Rev. 1 (07-2019)
Copyright 2019 Christie Digital Systems USA, Inc. All rights reserved.
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4K-RGB Laser Optical Subsystem Replacement Instructions
13