Sony VPH-G90E Manuel D'installation page 17

Variable Range of the Optical Axis Angle in Rear Projection
You can change the optical axis angle within the following ranges by
adjusting the scheimpflug.
For adjusting the scheimpflug, see page 83
On floor installation
You can install the projector within an angle of optical axis –13.6° to +2°.
Wall
+2°
–13.6°
On ceiling installation
You can install the projector within an angle of optical axis +3° to +13.6°.
+13.6°
+3°
.
(GB)
Wall
: Optical axis
: Horizontal line
Floor
Ceiling
: Optical axis
: Horizontal line
17
Installation (GB)