M a i n t e n a n c e

&

T r o u b l e s h o o t i n g

 

 

 

Problem: Image is out of focus

Turn the projection lens to focus the image.

Make sure the projection screen is at least 5 feet (1.5 m) from the projector.

Check the projection lens to see if it needs cleaning.

Problem: Image and menus are reversed left to right

Rear projection mode is probably turned on. Turn Rear Projec- tion off in the Controls menu. The image should immediately return to forward projection. See “Rear Projection” on

page 31.

Problem: the projector displays vertical lines, “bleeding” or spots

Adjust the brightness. See “Brightness” on page 25.

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.

1Deactivate the screen saver on your computer.

2Turn Auto Image off and then back on again. See “Auto Image” on page 28.

3Adjust the synchronization and tracking manually to find an optimal setting. See “Manual Sync” on page 28 and “Manual Tracking” on page 29.

The problem could be with your computer’s video card. If possible, connect a different computer.

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Image 45
InFocus LPTM425z Problem Image is out of focus, Problem Image and menus are reversed left to right, Problem no sound