5
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 guide-
lines:
• Position the projector on a flat surface at a right angle to the screen. The
projector must be at least 4.9 feet (1.5m) 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 exten-
sion cables). To ensure adequate cable access, do not place the projector
within 6 inches (.15m) of a wall or other object.
• If you are installing the projector on the ceiling, refer to the installation
guide that comes with the Ceiling Mount Kit for more information. To
turn the image upside down, see “Ceiling” on page 31. We recommend
using an InFocus authorized ceiling mount.
• Position the projector 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.
• The image exits the projector at a given angle. This image offset is 115%.
This means that if you have an image 10’ high, the bottom of the image
will be 1.15’ above the center of the lens.
Table 1:
Range of distance to the screen for a given screen size
Diagonal
Screen Size
(inches/m)
Distance to screen
Maximum
distance
(feet/m)
Minimum
Distance
(feet/m)
60/1.5 7.7/2.3 8.5/2.6
80/2 10.3/3.1 11.5/3.5
92/2.3 11.8/3.6 13.1/4.0
150/3.8 19.4/5.9 21.7/6.6
bottom of image
1.15 ft above center
10 ft high
image
Projection angle
lens center
of lens