Depending on how you positioned the projector, you
may need to change the projection mode so your images project
correctly. 
- Front
lets you project from a table in front of the screen.
 
- Front/Upside
Down flips the image over top-to-bottom to project
upside-down from a wall or ceiling mount.
 
- Rear
flips the image horizontally to project from behind a translucent
screen.
 
- Rear/Upside
Down flips the image over top-to-bottom and horizontally to
project from the wall or ceiling and behind a translucent
screen.
 
 
You can change the projection mode using the remote
control or by changing the Projection setting in the Installation
menu.