Barco ScreenPRO-II User Manual page 178

4. Menu Orientation
DSK Menus
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The DSK Adjustment Menu provides the tools necessary to adjust the DSK (Downstream
Key. To access the menu:
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The available DSK Adjustment Menu functions change , depending upon the selected
"Key Type."
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•
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A Luma (luminance) key is one in which the hole-cutting information is derived from the
luminance (brightness) level of the key source. The figure below illustrates a sample DSK
Adjustment Menu when Luma key is selected:
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Figure 4-73. DSK Adjustment Menu — Luma (sample)
The following DSK Adjustment Menu functions are provided when Luma is selected as
the DSK type:
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178
Press { DSK } in the Layer Control Section .
When Luma is selected, you can perform a luminance DSK. Refer to the "
Luma Key Functions " section on page 178 for details.
When Color is selected, you can perform a color DSK. Refer to the "
Key Functions " section on page 179 for details.
DSK ADJUSTMENT
Key Type
Destination
ID
Invert Mode
Clip
Gain
Opacity
Fill Source
Destination — displays the currently selected destination.
ID — displays the ID of the selected destination's associated ScreenPRO-II.
Invert Mode — enables you to invert the DSK signal.
Clip — adjusts the threshold of the video that electronically "cuts" into the
background image. A hole will be cut into the background anywhere that
foreground luminance is greater than the clip level. The hole is then filled with the
Fill Source . Adjustment range is 0 to 1023.
Gain — adjusts the sensitivity of the keyer, enabling you to change the sharpness
of the keyed image. Gain only affects the key hole, as set by the clip. Adjustment
range is 0 to 1023.99.
Luma
[ 1 ]
ALL
Off
512
7.00
512
Matte
INPUT
MATTE
SETUP
ScreenPRO-II Controller • User's Guide
DSK
DSK Color
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A
V
A
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