52
Maintenance & Troubleshooting
Problem: the projector displays vertical lines, “bleeding” or
spots
•
Adjust the brightness. See “Brightness” on page 26.
•
Check the projection lens to see if it needs cleaning.
Problem: no sound
•
Adjust volume.
•
Turn off “mute” in the menu. See page 28.
•
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
Image” on page 30.
3 Turn
Auto Image
off and adjust the synchronization and track-
ing manually to find an optimal setting. See “Manual Sync”
on page 30 and “Manual Tracking” on page 30.
•
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
•
Just as there are differences in the displays of different moni-
tors, there are often differences between the computer image
and the projected image. Adjust the brightness, tint and/or
contrast from the Display menu. See “Brightness” on page 26,
“Tint” on page 27 and “Contrast” on page 27.
Problem: Lamp seems to be getting dimmer
•
The lamp begins to lose brightness when it has been in use for
a long time. Replace the lamp as described in “Replacing the
Projection Lamp” on page 45.
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