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20 Setting Up the Projector
You can also install the projector in two other viewing setups: rear
projection onto a semi-transparent screen, or rear/ceiling projection.
If you project from overhead or the rear of the screen, you’ll need to
select the appropriate
Projection setting in the projector’s Extended
menu to orient the image correctly (see page 62).
Keep these considerations in mind as you position the projector:
■ Place the projector on a sturdy, level surface.
■ Make sure there is plenty of space for ventilation around and
under the projector.
■ Make sure the projector is within 5.9 feet (1.8 meters) of a
grounded electrical outlet or extension cord.
Determining Projection Distance
Image size increases with distance, but can vary depending on the
aspect ratio (image shape), how you zoom into the image, and
whether you’ve adjusted other image settings. Use the illustrations and
tables below to help you determine the projection distance.
Center of lens
Center of
lens
16:10 image
Diagonal screen
size
Projection distance (A)
Wide to Tele
27 inches
(69 cm)
33 to 40 inches
(84 to 101 cm)
30 inches
(76 cm)
37 to 45 inches
(94 to 113 cm)
40 inches
(102 cm)
50 to 60 inches
(126 to 152 cm)