Ross Synergy 100 MD, Руководство оператора

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Synergy 100 MD Operator’s Manual (v7.2 MD-S100) Keying • 7–9
Using Keys
This section includes detailed instructions for using Keys. Prior to proceeding, ensure that you have
read the section “
Introduction to Keying ” on page 7-2 thoroughly.
Performing a Self Key
A Self Key is one in which the luminance (or brightness) values of the Key source itself are used to
cut the hole.
Use the following procedure to perform a Self Key in Key 1:
1. Select a background source on the PGM bus. This provides the background over which
the Key will appear.
2. Press
KEY1
in the Transition Control Group to preview the Key. This step will also
serve to assign the Key bus and Effects Keyers Group to Key 1 .
3. Select a Key source on the Key 1 bus.
4. Press
SELF KEY
in the Effects Keyers Group .
5. Adjust the Clip and Gain of the Key as follows:
• Use the
CLIP
knob in the Effects Keyers Group to adjust the luminance of the
Key. The lower the threshold setting, the more the Key is visible.
• Use the GAIN knob in the Effects Keyers Group to adjust the softness of the edges
of the Key.
6. Select any additional Key modifiers you want to use. You can select between the
following:
•
MATTE FILL
— Select this button to fill the hole cut by the clip and gain of the
source with a matte color.
•
KEY INVERT
— Select this button to invert the Key polarity of the hole cut by the
clip and gain of the source.
• MASK — Select this button to activate the mask feature and mask out a rectangular
part of the source video.
Note
If you have the MultiDSK option installed, refer to the section
“
MultiDSK Operation ” on page 7-35 for using Keys in MultiDSK4
and MultiDSK 5.
Note This procedure will show you how to perform a Self Key in Key 1 , the
same procedure can be used to perform a Self Key in Key 2 or DSK 1 .
Note If you select a different Self Key source, you will need to re-adjust the
Clip and Gain of the source. However, each crosspoint will remember
its own individual clip and gain setting.
Operating
Tip
Press and hold the SELF KEY button and press the CENTER button
to return the Clip and Gain values to the default settings.