Epson PowerLite 830p User Manual page 17

Ideally, you should place the projector directly in front of the center of
the screen, facing it toward the screen squarely. The base of the lens
should be at about the level of the bottom of the screen.
Projector
If you place the projector below screen level, you'll have to tilt it up by
extending the front adjustable foot. This causes the image to become
"keystone" shaped, but you can correct the distortion by pressing the
buttons on the projector. See page 26 for detailed information
Sync
about correcting the image shape.
For instructions on installing the projector in a permanent location,
such as a theater or conference room, see page 115.
note
After positioning the
projector, you may want to
connect a Kensington
MicroSaver
device to the lock port on the
projector's left side. You can
purchase this from Epson;
see "Optional Accessories" on
page 13
Screen
Displaying and Adjusting the Image
®
anti-theft
.
17