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7
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 (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 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 recom-
mends using an authorized ceiling mount. The Ceiling Mount Kit is
sold separately; visit our website for more information.
• 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. For information
about image sizes at different distances, see “Projected image size” on
page 39.
• 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 image offset is 90% at a 9:1 ratio when the projector is in
4:3 mode (default mode). This means that if you have an image 10’
high, the bottom of the image will be 1’ below the center of the lens.
• The image offset is 50% when the lens shift is at a 1:1 ratio. This means
that if you have an image 10’ high, the bottom of the image will be 5’
below the center of the lens.
• For information about the optional lenses image offsets, see “Projected
image size” on page 39.
10 ft high image
9:1
bottom of image
10% below
lens center
1:1
bottom of image
50% below
lens center
Projection angle in 4:3 mode (default)
9:1
1:1
lens center