Operation
Vision Model 140/150 Owner’s Operating Manual
69
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Brightness:
On your external test pattern source, select a PLUGE pattern. (PLUGE is an
acronym for “Picture Line-Up Generation Equipment.”) Figure 4-2 shows a typical PLUGE
pattern.
Figure 4-2. Typical PLUGE Pattern for Adjusting Brightness
PLUGE patterns vary but generally consist of some combination of black, white and gray
areas against a black background. The example above includes two vertical bars and four
shaded boxes.
Select Brightness from the Picture menu and press
ENTER
. Adjust the brightness so that:
•
The darkest black bars disappear into the background.
•
The dark gray areas are barely visible.
•
The lighter gray areas are clearly visible.
•
The white areas are a comfortable level of true white.
•
The image contains only black, gray and white (no color).
Below Black
Above Black
Summary of Contents for 140/150
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