Black Box AC3000A User Manual page 34

The hd view
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HD VIEW
3.
The Drop-down menu contains preset tuning configurations for
distances of between 1m and 300m.
These presets were made using a test cable which may not be an exact match for the
cable that you are using. Choose the preset distance that is closest to the actual
distance in meters between the Player and remote screen.
4.
For fine tuning use the sliding bars to adjust the image. The bars
are as follows.
Luminance – image brightness
Equalization – image sharpness
Red, Green, Blue
Red, Green and Blue are for red, green and blue delay. When
transmitting video over CATx cables a horizontal misalignment (skew)
between the red, green and blue components inevitably occurs. This is
because the different length of each pair causes the signals to reach the
monitor at different times.
To see which signal is slower or faster look at the test card and see which
of the colors are not aligned. For example in Figure 25, red is the slowest
color. You would therefore delay green and blue until they align with red.
32
32
Figure 24 Tuning window
Note!

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