Positioning The Projector - InFocus F5500 User Manual

Positioning the Projector

To determine where to position the projector, consider the size and shape of
your screen, the location of your power outlets, and the distance between
the projector and the rest of your equipment. Here are some general
guidelines:
• Position the projector on a flat surface at a right angle to the screen. The
projector (with the standard lens) must be at least 3 feet (0.9m) from the
projection screen.
• Position the projector within 10 feet (3m) of your power source and
within 6 feet (1.8m) of your video device (unless you purchase
extension cables). To ensure adequate cable access, do not place the
projector within 6 inches (.15m) of a wall or other object.
• Position the projector to the desired distance from the screen. The
distance from the lens of the projector to the screen, the zoom setting,
and the video format determine the size of the projected image.
• For the standard lens that comes with the projector, the image exits at a
given angle. However, the lens shift feature makes the image offset
variable.
• The vertical image offset range for all the projectors is 50% - 110%
(default 80%), and the horizontal image offset is +/-10% (default 0%).
At 110% offset, 10% of the image height resides above the lens center in
tabletop configuration. At 50% offset, 50% of the image height resides
above the lens center in tabletop configuration.
110% offset
lens center
50% offset
Horizontal Image Offset is +/-10%
7
Vertical Image Offset is 50 - 110%