InFocus LP925 User Manual page 49

Problem: the projector displays vertical lines, "bleeding" or
spots
Adjust the brightness. See "Brightness" on page 23.
•
Check the projection lens to see if it needs cleaning.
•
Problem: no sound
Adjust volume.
•
Verify audio/input connections. Make sure you have selected
•
the proper audio source. See "Audio Source Select" on
page 26.
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
Image" on page 27.
3 Turn
Auto Image
ing manually to find an optimal setting. See "Manual Sync"
on page 28 and "Manual Tracking" on page 28.
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 23,
"Tint" on page 23 and "Contrast" on page 23.
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 35.
off and then back on again. See "Auto
off and adjust the synchronization and track-
41