Tektronix Grass Valley 3000 - Manual (Page 34)

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Section 1 — System Overview
Description of Options
The following options are currently available for the Model 3000
Switcher. For more details on these options, refer to the
appropriate subpanel descriptions later in this manual.
Dual Chroma Keyer
Up to six analog component (RGB, YUV, or Betacam®) or
composite inputs can be chroma keyed, two per Dual Chroma
Keyer module. Each module is added to a specific M/E.
Borderline ® Key Edge Generation
Borderline Key Edge Generators are available for each keyer in the
switcher. The Borderline feature is implemented as a mezzanine
board that plugs onto the Keyer module of any M/E.
Each Borderline generator supports 1, 2, or 3 line wide borders for
border and outline modes and 1 to 6 line wide edges for shadow
and extrude modes. Fill within the key edges may be either video
or matte.
Secondary Wipe Generator
A Secondary Wipe Generator module provides a second pattern
for each of the M/E systems. Only one module is required for
enhancing all mix/effect systems.