VIEWSONIC VX900 - Manual (Page 10)

Main Menu Controls
Adjust the menu items shown below by using the up ▲ and down ▼ buttons.
Control Explanation
Auto Image Adjust automatically sizes, centers, and fine tunes
the video signal to eliminate waviness and distortion.
Press the [2] button to obtain a sharper image.
NOTE: Auto Image Adjust works with most common video
cards. If this function does not work on your
LCD display,
then lower the video refresh rate to 60 Hz and set the resolution
to its pre-set value.
Contrast adjusts the difference between the image background
(black level) and the foreground (white level).
Brightness adjusts background black level of the screen image.
Input Select allows you to toggle between an analog and a
digital signal.
Audio Menu
Volume increases the volume, decreases the volume, and mutes
the audio.
Balance adjusts the proportion of sound coming from each
speaker.
Bass adjusts the low (bass) frequency audio output.
Treble adjusts the high (treble) frequency audio output.
Mute temporarily silences audio output.
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