Christie DHD600-G User Manual page 27

Section 3: Installation
Vertical Image Offset: -100% Offset (WXGA)
400 pixels of shift
below lens center.
Total of 800 pixels
(400+400) of
display are below
lens center.
Horizontal Image Offset: +/-20% Offset
Image has been offset 128 pixels
left or right of lens center.
The image has an offset of
+128/640 * 100% = +20%, or
+128/640 * 100% = -20%
3-10
Image has been offset 400 pixels below lens
center, so the image has an offset of
-400/400 * 100% = -100%
Lens center
-128 pixels 1280 pixels +128 pixels
G Series User Manual
020-000648-01 Rev. 3 (02-2014)