User`s guide

Clarity Visual Systems
October 1998
16
Adjust the Black Input Level - VGA, MAC II or RGBS Video
(This does not apply to Composite or S-Video sources – see Comp
Video/S-Video Level Adjustment on page 19.)
Source Select
Frequency
Phase
Input Level
Position
Zoom
Color Balance
Curtain
Hours
Save Config
Recall Config
Reset Config
Misc Control
About
Input Level
White Level
Black Level
Black Level
(Requires black field)
Auto [ ]
All < >
Level Sample
Red 10 0
Green 10 0
Blue 10 0
Adjusting the input levels allows the VideoWall 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
prior to adjusting the input white level!
1. Display an all-black image from
the signal source
Examples of all-black sources are a black PC Paint
screen or a frame 50882 on Reference Recordings,
“A Video Standard” test disk.
2. Press the remote control LEVEL
button
The Input Level menu is displayed.