ViewSonic VA721-2 Service Manual page 14

Main Menu Controls
Adjust the menu items shown below by using the up
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
(black level) and the foreground (white level).
Brightness
Color Adjust provides several color adjustment modes: preset color
temperatures and RGB which allows adjustment of red (R), green (G), and blue
B) separately. The factory setting for this product is 6500K (6500 Kelvin).
sRGB-RGB is quickly becoming the industry standard for color management,
with support being included in many of the latest applications. Enabling this
setting allows the LCD display to more accurately display colors the way they
were originally intended. Enabling the sRGB setting will cause the Contrast and
Brightness adjustments to be disabled.
9300K-Adds blue to the screen image for cooler white (used in most office
settings with fluorescent lighting).
6500K-Adds red to the screen image for warmer white and richer red.
5400K-Adds green to the screen image for a darker color.
ViewSonic Corporation
adjusts the difference between the image background
adjusts background black level of the screen image.
I
and down
Confidential - Do Not Copy
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buttons.
VA721-2