InFocus LPTM425z User Manual page 45

M a i n t e
42
n a n c e &
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
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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 31.
Problem: the projector displays vertical lines, "bleeding" or
spots
Adjust the brightness. See "Brightness" on page 25.
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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
Image" on page 28.
3 Adjust the synchronization and tracking manually to find an
optimal setting. See "Manual Sync" on page 28 and "Manual
Tracking" on page 29.
The problem could be with your computer's video card. If
•
possible, connect a different computer.
T r o u b
off and then back on again. See "Auto
Auto Image
l e s h o o t i n g