A
19 mm (0.75 in.) wrench
B
Lock
C
Turn to adjust height
2. Extend or retract the feet.
3. When the adjustment is correct, tighten the lock nut.
Correcting keystone effect
Learn how to adjust the image to correct 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
Vertical keystone
Projector skewed horizontally to the screen
Projector tilted vertically to the screen
1. If the image suffers from slight keystone effect, it can be corrected with electronic cropping.
Adjusting the image
C 4K-RGB Installation and Setup Guide–CP4415-RGB, CP4420-RGB
47
020-103244-04 Rev. 1 (03-2021)
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2021 Christie Digital Systems USA, Inc. All rights reserved.
