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Problem: The projector displays vertical lines, “bleeding,” or spots.
v Adjust the brightness. See “Brightness” on page 1-17.
v Check the projection lens to see if it needs cleaning.
Problem: There is no sound.
v Adjust the volume.
v Verify the audio/input connections.
v Adjust the audio source.
Problem: The 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 on again. See “Auto image” on page 1-20.
3. Turn Auto Image off, and adjust the synchronization and tracking
manually to find an optimal setting. See “Manual sync” and “Manual
tracking” on page 1-20.
v The problem might be with your computer video adapter. If possible,
connect the projector to a different computer.
Problem: The projected colors do not match the computer or video player
colors.
v Just as there are differences in the displays of different monitors, there are
often differences between the computer image and the projected image.
Adjust the brightness, tint, or contrast from the Display menu. See
“Brightness,”“Tint,” and “Contrast” on page 1-17.
Problem: The lamp seems to be getting dimmer.
v 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 1-26.
Problem: The lamp shuts off.
v A minor power surge might cause the lamp to shut off. Unplug the
projector, wait at least one minute, and then plug it back in.
v Make sure that the vents are not blocked.
v Make sure the lamp has not been in use for over 2000 hours. The lamp
automatically shuts off after 2000 hours. See ″Replacing the projection lamp″
on page 27.
Installation and user’s guide 1-31