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Maintenance & Troubleshooting
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 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 CablePro and
the projector, make sure it’s Boxlight-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, “Color” on page 26 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 37.
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 39.
•
Make sure you’re pointing the remote either at the back or front
of the projector, or at the projection screen.
•
Make sure the remote is within its operating range of 25 feet.