Dukane 28A8757 user manual and sharpness are produced

Adjust the zoom or focus rings by rotating them until the desired image size	adjust zoom and focus
and sharpness are produced.

zoom

focus

If the image is not square, adjust the keystone using the buttons on the key-	adjust keystone
pad. Press the upper Keystone button to reduce the upper part of the
image, and press the lower Keystone button to reduce the lower part.

Adjust the volume on the keypad or remote. adjust volume

contrast

Adjust the Contrast, Brightness, Color, or Tint in the Picture menu.adjust Picture menu

brightness

See page 27 for help with the menus.

color tint

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