InFocus LP420 User Manual page 34

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.
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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 23.
Problem: the projector displays vertical lines, "bleeding" or
spots
Adjust the brightness. See "Brightness" on page 17.
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Check the projection lens to see if it needs cleaning.
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Problem: no sound
Adjust volume.
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Verify audio/input connections.
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Adjust audio source.
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Problem: Image is "noisy" or streaked
Try these steps in this order.
1 Deactivate the screen saver on your computer.
2 Turn
Auto Image
Image" on page 20.
3 Adjust the synchronization and tracking manually to find an
optimal setting. See "Manual Sync" on page 21 and "Manual
Tracking" on page 21.
The problem could be with your computer's video card. If
•
possible, connect a different computer.
off and then back on again. See "Auto
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