InFocus LP260, Руководство пользователя

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41
Problem: the projector displays vertical lines, “bleeding” or
spots
•
Adjust the brightness. See “Brightness” on page 22.
•
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
Try these steps in this order.
1
Deactivate the screen saver on your computer.
2
Adjust the synchronization manually to find an optimal set-
ting. See “Fine sync” on page 22.
•
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 22,
“Tint” on page 30 and “Contrast” on page 31.
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 36.
Problem: Lamp shuts off
•
A minor power surge may cause the lamp to shut off. Unplug
the projector, wait at least a minute, then plug it back in.
•
Make sure the vents are not blocked.