Clarity WN-5220-S User Manual page 37

Adjusting the input levels allows the unit to display the full color range
of the video source. If the input levels are not properly adjusted the
image may look washed-out or posterized.
The input black level must be adjusted to match the source
before adjusting the input white level!
1. Display an all-white image from
the signal source ( not from the
built-in test patterns)
2. Press the Level button, or
highlight Level in the main
menu and press ENTER.
3. Use the up/down arrows to
highlight White Level and press
ENTER.
4. Move the cursor to Auto and
press ENTER.
WN-5220-S VideoWall User's Guide
Examples of all-white sources are a white PC Paint
screen or frame 50823 on Reference Recordings, "A
Video Standard" test disk. It is not necessary for the
entire screen to be white. The area of interest is
within 100 pixels of the upper left corner of the White
Level menu.
The Input Level menu is displayed.
The White Level menu is displayed
The display will automatically seek the white level of
the input signal and adjust the A/D converter to it.
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