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Adjusting horizontal boresight
Perform a horizontal boresight adjustment when the image cannot be focused uniformly on the screen
by aligning the projector to the screen and focusing the lens.
Caution! Failure to comply with the following could result in minor or moderate injury.
•
This procedure must be performed by Christie qualified technicians.
Typically, horizontal boresight does not require adjustment. It should only be adjusted if a large
horizontal angular offset to the screen is required.
When adjusting boresight, you must maintain the boresight distance from the lens to the prism plane
set by Christie. For example, when you move the top screw outward, turn the bottom two boresight
screws to maintain the overall distance.
Only adjust horizontal boresight 1/8 of a turn or less at one time to maintain optimal lens performance
(factory setup of absolute lens distance to the prism). It is critical that you count each turn of the cap
screws to ensure accurate adjustment.
Ensure that the boresight lockdown screws are adequately tightened. Not adequately tightening the
boresight screws can result in excessive onscreen image vibration. After adjusting boresight, evaluate
the onscreen image vibration and re-adjust if needed.
1. Remove the lens surround.
2. Display the DC2K Boresight test pattern.
3. Loosen the right boresight set screw (B).
A
Right Boresight Cap Screw
B
Right Boresight Set Screw
C
Left Boresight Cap Screw
D
Left Boresight Set Screw
4. Turn the right boresight cap screw (A) 1/16 of a turn clockwise.
5. Adjust the left boresight cap screw (C) equally in the opposite direction.
6. If the quality of the projected image has not improved, turn the right boresight cap screw 1/16
of turn counter-clockwise. Make sure the left adjuster is adjusted equally in the opposite
direction.
CP2308-C Installation and Setup Manual
020-102492-01 Rev. 1 (01-2017)
Copyright
2017 Christie Digital Systems USA Inc. All rights reserved.
©
Adjusting the image
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