User manual

G Series User Manual
020-000648-01 Rev. 3 (02-2014)
Section 3: Installation
3-9
LAMP
WXGA Projectors:
Vertical Image Offset: 0% Offset (WXGA)
No offset is applied - 0% offset.
Half of the image appears above lens center
and half of the image appears below lens
center.
400 pixels
above lens
center.
400 pixels
below lens
center.
Lens center
LAMP
Lens center
Vertical Image Offset: 100% Offset (WXGA)
Image has been offset 400 pixels above lens
center, so the center of the image is now 400
pixels above where the center of the image
was at 0% offset (or lens center).
The offset is
+400/400 * 100% = +100%.
400 pixels of shift
above lens center.