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InFocus LP755 Maintenance And Troubleshooting Manual page 10

Infocus lp755: connection guide
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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 29.
3 Adjust the synchronization and tracking manually to find an
optimal setting. See "Manual Sync" on page 29 and "Manual
Tracking" on page 30.
If you're using an extension cable between the CableWizard
and the projector, make sure it's InFocus-approved.
The problem could be with your computer's graphics board. If
possible, connect a different computer.
Problem: Projected colors don't match the computer or video
player's colors
Adjust the brightness, tint and/or contrast from the Display
menu. Just as there are differences in the displays of different
monitors, there are often differences between the computer
image and the projected image. See "Brightness + or -" on
page 22, "Tint" on page 25, and "Contrast" on page 25.
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 Pro-
jection Lamp" on page 39.
Problem: Lamp shuts off
A minor power surge may cause the lamp to shut off. Turn the
projector off, wait at least 30 seconds, then turn it back on.
Problem: Remote not operating correctly
You might need to replace the batteries. See "Replacing the Bat-
teries in the Remote Control" on page 41.
Make sure you're pointing the remote at the top of the projec-
tor, or at the projection screen.
Make sure the remote is within its operating range of 25 feet.
T r
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off and then back on again. See "Auto
Auto Image
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