SBA225 Speaker Selector Panel
Front View
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1.Room selector switch — Position of the room switch controls the type of audio program material delivered to the room speaker.
2.Call annunciators — Lights to indicate a room has placed an intercom request from a call switch
3.Program busses — A room speaker can be turned off or connected to one of two audio busses. The pro- gram A bus allows continuous audio to play into the room from an audio source selected on the MCP35A control panel. The Intercom C bus allows
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