Calculating The Lens Offset; Wuxga Projectors - Christie GS Series User Manual

Calculating the lens offset

Adjust the offset to align the image on the screen with half image size.
• The vertical image offset (shift) range for the projector is +/-100% (WUXGA).
• The horizontal image offset (shift) range for the projector is +/-30% (WUXGA).
• The method for calculating lens offset complies with industry standards. For example for
vertical lens offset:
• At 0% offset (or on axis), the center of the image is on the lens center, so half of the
image appears above and half appears below the lens center.
• At +100% offset, the entire of the image appears above the lens center.
• The percentage (%) offset is calculated as the ratio of the number of pixels shifted up or
down to half image size.
UST lens do not support the lens shift function.

WUXGA projectors

The following show vertical image offsets for the WUXGA projectors:
• Vertical image offset: 0%
GS Series DWU1082-GS User Manual
020-001800-01 Rev. 1 (04-2020)
Copyright ©2020 Christie Digital Systems USA Inc. All rights reserved.
Lens center
Installation
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