Adjusting the image
CP2306-RGBe, CP2308-RGBe, CP2310-RGBe User Manual
55
020-001835-02 Rev. 1 (05-2021)
Copyright
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2021 Christie Digital Systems USA, Inc. All rights reserved.
7.
Raise or lower the rear feet of the top projector until the projected images of both projectors are
vertically aligned. The feet should be raised or lowered an equal amount.
8.
Reinstall the locking brackets removed in step 6.
9.
On the touch panel, tap the Lens Adjust icon on the main screen and then tap the forward or
backward arrows in the Offset area to bring the horizontal lines closer together.
10.
If required, on each projector, tap the Lens Adjust icon and then tap the left focus and right focus
icons in the Focus area until both images are the same size and focused.
An image brighter at the center than it is at the sides needs vignetting correction.
If your image suffers from vignetting, the lens has reached the end of its offset travel range. If your
installation does not allow the image to be centered with the center of the screen, move the entire projector in
the direction of lens travel.
Perform a top and bottom boresight adjustment to fix image focus issues that cannot be corrected by aligning
the projector to the screen and focusing the lens.
Caution! If not avoided, the following could result in minor or moderate injury.
•
This procedure must be performed by Christie qualified technicians.
Ensure that the projector is perpendicular to the screen before adjusting boresight.
We recommend that you complete a top and bottom boresight adjustment before adjusting the horizontal
boresight.
A boresight adjustment should only be made when the image cannot be focused uniformly on the screen by
aligning the projector to the screen and focusing the lens. 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.
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 set screw (B).
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