Rear projection - ceiling mode
Press MENU  Advanced ALIGNMENT  Rear Projection and choose ON;  
press MENU once more  Advanced ALIGNMENT   Ceiling Mode and choose ON 
canoe
canoe
Correct Picture
canoe
11.3  Rear Projection
The default of the Rear Projection setting is Off.
See 11.2  Adjusting screen orientation, refer to  page 55: 11.2  Adjusting screen orientation
11.4  Ceiling Mode
The default setting is Off.
Whenyou have set up the projector for ceilingmode (hung from the ceiling in reverse), please set it to ON. Refer to  page 55: 
11.2  Adjusting screen orientation
11.5  Lens Control
Zoom
Use this function to zoom in or zoom out the image size. Refer to  page 17: Lens zoom.
Focus 
Use this function to adjust the image Focus. Refer to  page 16: Lens focus
Shift 
 Use this function to adjust the lens shift. Refer to  page 17: Lens Shift.
11.6  Lens To Midposition
After series of lens shift operations,  this function  can be used to return  the lens to the center position. 
11.7 Lens Calibration
Lens calibration should be performed every time a lens was installed at the projector.  The process will determine the 
minimum and maximum ranges of the zoom and focus for the lens installed.  With this calibrated information, zoom and 
focus will be adjusted within the safe ranges.  The workflow is defined as the following: 
Install a lens on the projector
Go to the advanced menu and Perform "Lens Calibration" function
Wait for the lens calibration process completed
 
LPlease do not press any key during Lens Calibration. Press "Enter" to stop Lens Calibration process.