InFocus LP740B, User Manual, Page: 43 / 63

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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” off in
the Custom Setup menu. The image should immediately
return to forward projection. See “Image Mode” on page 21.
Problem: the projector displays vertical lines, “bleeding” or
spots
•
Adjust the brightness. Refer to “Bright” on page 15 for more
information.
•
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
•
Adjust the synchronization and tracking manually to find an
optimal setting. See Sync and Tracking on page 18.
•
The problem could be with your computer’s video card. If
possible, connect a different computer.
Problem: Projected colors don’t match the computer or video
player’s colors
•
Adjust the brightness, tint and/or contrast from the menus.
Just as there are differences in the displays of different moni-
tors, there are often differences between the computer image
and the projected image. Refer to “Bright” on page 15, or Tint
or Contrast on page 18.