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Section 1 — System Overview
Tally Output
The Tally Relay module provides tally outputs that reflect the
switcher status. A rear-panel interconnect board provides the
relay contacts at two connectors for on-air Tally A and on-air Tally
B. Pinouts for the Tally connectors are given in the Installation
section of the System Information manual.
Tally Expansion
The Tally Expansion Option increases the number of tally outputs
from the Model 3000 Switcher. An unlimited number of Tally
Expansion frames, each with up to three tally modules, can be
added to the switcher.
Remote Auxiliary Bus Control Panels
Three models of Remote Aux Control Panels are available for
controlling your switcher auxiliary buses from a remote location.
The one- and two-RU panels each control a single aux bus; the
three-RU panel provides delegated control of any number of aux
buses.
Chroma Key Auto Setup
The Chroma Key Auto Setup option is a software option that
automatically sets up a chroma key when you identify the
background color. This option requires the presence of the Frame
Store option.