Optoma EH415 - Manual (Page 37)

English
37
User Controls
Language
Enter the Language menu. Select the multilingual OSD
menu.
See page 39 for more information.
Projection
Select projection method:

Front Desktop
The factory default setting.

Rear Desktop
When you select this function, the projector reverses
the image so you can project from behind a translucent
screen.

Front Ceiling
When you select this function, the projector turns the
image upside down for ceiling-mounted projection.

Rear Ceiling
When you select this function, the projector reverses
and turns the image upside down at same time. You
can project from behind a translucent screen with ceiling
mounted projection.
Setup