Toshiba TDP-B1 User Manual

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Problem: Image is out of focus
Turn the projection lens to focus the image.
Make sure the projection screen is at least 5 feet (1.5 m) from 
the projector.
Check the projection lens to see if it needs cleaning.
Problem: Image and menus are reversed left to right
Rear projection mode is probably turned on. Turn Rear Projec-
tion off in the Controls menu. The image should immediately 
return to forward projection. See “Rear Projection” on 
page 24.
Problem: the projector displays vertical lines, “bleeding” or 
spots
Check the projection lens to see if it needs cleaning.
Problem: no sound
Adjust volume.
Verify audio/input connections.
Adjust audio source.
Problem: Image is “noisy” or streaked
Try these steps in this order.
1
Deactivate the screen saver on your computer.
2
Turn 
Auto Image 
off and then back on again. See “Auto 
3
Turn 
Auto Image 
off and adjust the synchronization and track-
ing manually to find an optimal setting. See “Manual Sync” 
on page 21
 and “Manual Tracking” on page 22.
The problem could be with your computer’s video card. If 
possible, connect a different computer.