You can use the Advanced menu to configure the projector for rear projection or ceiling mounting, and adjust several other features.
1.Press the Menu button.
2.Use the 
Sync– button (control panel) or the 
button (remote control) to highlight Advanced. You see the features and
their settings on the right side:
3.Press 
to select the Advanced menu.
4.Use the Tracking and Sync buttons (control panel) or
the 
button (remote control) to set the following options:
■Language
Select from 9 languages to be used for the projector menus.
■Startup Screen
Turn on to display your captured image or logo whenever the projector starts. (See page 53 for more information.)
■Color Adjustment
Adjusts the color temperature of the projected image. Select Color Temp. to set a temperature between 5000 and 10000 K. Select RGB to adjust individual red, green, and blue values, as shown. (Not available if sRGB is selected as the Color Mode setting in the Video menu. See page 49 for more information.)
■Rear Proj.
Turn on to project from behind onto a transparent screen.