Ask Proxima C110 User Manual page 22

Adjust the zoom and focus.
If the image is not square, adjust the keystone using the buttons on the key-
pad. Press the top Keystone button to reduce the upper part of the image,
and press the bottom Keystone button to reduce the lower part.
Adjust the volume on the keypad or remote.
Adjust the Contrast, Brightness, Color, Tint, or Aspect Ratio in the Picture
menu. See page 36 for help with the menus and these adjustments.
For Aspect Ratio, keep in mind that DVD players must be configured for
16:9 in order to view the highest quality image. For more information
regarding Aspect Ratio, see page 17.
adjust zoom and focus
adjust keystone
adjust volume
adjust Picture menu options
including Aspect Ratio
21
focus
(thin ring)
zoom
(thick ring)