Christie CP2000-X User Manual page 20

INSTALLATION & SETUP
Figure 2.12. Vertical Offset Range
NOTE: 1) Assumes full 2048 x 1080 display. 2) Recommended offset range can
sometimes be exceeded, however this may affect image quality. 3) Due to
manufacturing tolerances, an offset range can vary ±5% or more between lenses
described as having the same throw ratio, between projectors, and with any
lens/projector combination. 4) Simultaneous horizontal and vertical offset can limit
the adjustment range of each, as can long throw distances.
Offset can also be
ALTERNATIVE METHOD OF DESCRIBING VERTICAL OFFSET:
specified as the distance traveled from lens center (such as 270 pixels) and expressed
as a percentage (270 pixels=50%) of half of the image height. This concept of image
movement is illustrated in the example below:
Figure 2.13. Example of Alternative Offset Specification
2-12 CP2000-X User Manual
020-100031-01 Rev. 1 (03-2009)