the image source is selected correctly. If your projector is attached to a Macintosh, make sure that the DIP switches on your Macintosh desktop adapter are set correctly. (See your Macintosh documentation if you need instructions.) When NO SIGNAL is displayed, you cannot access the Video menu.

A blank screen is displayed.

The computer signal cannot be interpreted by the projector. Verify the display format (see page 130). When you see a blank screen, you cannot access the projector menus.

The image or parts of the image are blurred or not in focus.

Adjust the Brightness and Contrast settings on the Video menu. If you’re viewing a computer image, also try adjusting the Tracking and Sync buttons on the projector’s control panel or remote control.

There may be dirt or smears on the lens. Clean the lens as described on page 110.

The colors of the image are not right.

The color balance may be incorrect. If you’re displaying a computer image, use the Color option in the Video menu to adjust the balance of red, green, and blue. If you’re displaying video, adjust the Color and Tint (NTSC only) settings on the Video menu.

Check your monitor’s color balance if you’re displaying a computer image.

Problems with the Image or Sound

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