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2-14
Section 2 — Startup & Configuration
Configuring Inputs
Primary video and key inputs to the switcher are numbered 1
through 64. Each input can be treated as either a video signal or a
key signal.
Each input, including Black and Background, can be mapped to
any vertical column of source select (“crosspoint”) buttons.
Internally-generated sources (black, backgrounds, mask, etc.) are
also available for selection on the crosspoint matrix.
In the Model 3000-2, thirty-two inputs may be assigned to the
crosspoint buttons — 16 unshifted and 16 shifted inputs
(described below).
In the Model 3000-3, forty-eight inputs may be assigned to the
crosspoint buttons — 24 unshifted and 24 shifted inputs
(described below).
The external video and key assignments must correspond to the
video and key inputs connected to the frame, as described in the
Installation section of the Installation and Service manual.
The assignments made on the source selection panel may be any
combination of external inputs and internal inputs.
During the assignment procedure, each of the 32 (or 48) input
buses may be assigned a video signal, a key signal, and a chroma
key signal.
The
SHIFT button located at the right end of each primary source
selection row provides access to the 16 (or 24) shifted inputs.