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H9090 Home Theater Projector - User Manual
Brightness:
On your external test pattern source, select a PLUGE pattern. (PLUGE is an
acronym for “Picture Line-Up Generation Equipment.”)
Typical PLUGE Pattern for Adjusting Brightness
PLUGE patterns vary but generally consist of some combination of black, white and gray
areas against a background. The example above includes two vertical bars and four
shaded boxes.
Select Brightness from the Image menu. Use the
◄►
buttons to adjust the level 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).
Contrast:
On your external test pattern source, select a stepped, gray-bar pattern like the
one shown
.
Typical Gray Bar Pattern for Adjusting Contrast
Select Contrast from the IMAGE menu. Use the
◄►
buttons to adjust the contrast up until
the top two bars become almost the same brightness, then down just until the brightness
change between these bars is consistent with the other bars.
Note:
Brightness and Contrast controls are interactive. A change to one may require a
subtle change to the
