Setting-Up; Projection Methods; Projector Position - Panasonic PT-L750U R Operating Instructions Manual

Setting-up

Projection methods

In way of installing projector, any one of the following four projection methods
are used. Select whichever projection method matches the setting-up
method. (The projection method can be set from the OPTION menu. Refer to
page 47 for details.)
FRONT/REAR
NOTE:
B You will need to purchase the separate ceiling bracket (ET-PK780) when
using the ceiling installation method.

Projector position

Top edge of screen
Screen
Bottom edge of screen
Screen
28
FRONT
(Factory default setting)
REAR
L
L
DESK/CEILING
DESK
<Units: mm (inch)>
L: Projection distance
SH: Image height
SW:Image width
CEILING