Barco BlendPRO-II Instruction Manual Page 178

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178 ScreenPRO-II Controller • Users Guide
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:
Press {DSK} in the Layer Control Section.
The available
DSK Adjustment Menu functions change, depending upon the selected
“Key Type.”
When Luma is selected, you can perform a luminance DSK. Refer to the “DSK
Luma Key Functions” section on page 178 for details.
When Color is selected, you can perform a color DSK. Refer to the “DSK Color
Key Functions” section on page 179 for details.
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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:
Figure 4-73. DSK Adjustment Menu — Luma (sample)
The following DSK Adjustment Menu functions are provided when Luma is selected as
the DSK type:
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.
Invert Mode Off
H
O
M
E
N
A
V
A
D
J
DSK ADJUSTMENT
Key Type Luma
MATTE
Opacity 512
Fill Source Matte
INPUT
SETUP
Clip 512
Gain 7.00
Destination [ 1 ]
S
T
A
T
S
ID ALL
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