Christie D12HD-H User Manual page 27

HD Projectors:
Vertical Image Offset: 0% Offset (HD)
Vertical Image Offset: 140% Offset (HD)
756 pixels of
shift above
lens center.
H Series User Manual
020-000772-02 Rev.1 (08-2015)
540 pixels
above lens
center.
540 pixels
below lens
center.
No offset is applied - 0% offset.
Half of the image appears above lens center
and half of the image appears below lens
center.
Lens center
Image has been offset 756 pixels above
lens center, so the center of the image is
now 756 pixels above where the center of
the image was at 0% offset (or lens center).
The offset is +756/540 * 100% = +140%.
Lens center
Section 3: INSTALLATION
3-8