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Correcting keystone effect
Keystone effect occurs when you project an image onto the screen at an angle. As a result, the image
appears distorted and resembles a trapezoid.
When making the adjustments, set the light source to minimum power.
Horizontal keystone
Projector skewed horizontally to the screen
1. If the image suffers from slight keystone effect, it can be corrected with electronic cropping.
2. If the keystone effect is severe, unevenly adjust the feet to compensate for projector tilt.
Christie recommends using the lens offset to align the center of the image to the center of the
screen before correcting the keystone effect.
3. If one side of the image is longer than another, adjust the tilt and level of the projector.
Adjusting the fold mirror
Learn how to align the fold mirror with the optical system to correct an image with missing or
shadowy corners or edges.
1. Remove the top cover.
2. Display the RGB-12bit-Full Screen White test pattern.
3. Insert a hex driver in the first set screw (A) and a hex driver in the first cap screw (B).
Cinema 2K-RBe Installation and Setup Guide–CP2406-RBe, CP2409-RBe, and CP2411-RBe
020-103907-01 Rev. 1 (03-2024)
Copyright
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2024 Christie Digital Systems USA, Inc. All rights reserved.
If printed, please recycle this document after use.
Vertical keystone
Projector tilted vertically to the screen
Adjusting the image
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