Planar m40L Installation Manual page 40

Adjusting Levels for Video Sources
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8
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If the color bar pattern has a pluge, you can use it to adjust Brightness. Pluge
stands for Picture Line-Up Generation Equipment. A pluge is used to calibrate the
black level on a video monitor.
Pluge
Although it is not required, we recommend that you save the configuration to a
memory slot. (See "Saving Configurations" on page 78)
If you have more than one source coming through the same connector, adjust
Input Levels for each source.
m40L/m46L Installation Guide
Adjust Brightness so you cannot
see the different between these
two marks,
but you can see the difference
between these two marks.