Barco DCS-200, Руководство пользователя

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68 DCS-200 • User’s Guide
4. Operation
Using the Setup Menu
Following are descriptions of each Key Setup Menu function:
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Input Source — This field enables you to select the desired digital key source.
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Selections : 7, 8
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Default : 7
•
Clip — This value adjusts the threshold of the video that "cuts" into the
background image. A hole will be cut into the background anywhere that
foreground luminance is greater than the clip level.
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Adjustment range : 0 to 1023
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Default : 0
•
Gain — This value 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.
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Adjustment range : 0 to 1023.99
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Default : 1.00
•
Opacity — This value adjusts key opacity.
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Adjustment range : 0 (fully opaque) to 1023 (fully transparent)
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Default : 1023
•
H Offset — This value adjusts the key source’s horizontal offset (in pixels), if the
key source’s resolution is greater than (or less than) the output resolution.
•
V Offset — This value adjusts the key source’s vertical offset (in pixels), if the key
source’s resolution is greater than (or less than) the output resolution.
Refer to the “ Using Keys ” section on page 95 for more information on using keys.
Note This field is bracketed once the key is on Program.
Tip Always select the desired key source and adjust the key
parameters prior to your production. The key must be visible
on Program in order to visually adjust clip, gain and opacity.