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SBA225 Speaker Selector Front Panel
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 BUSES -A room speaker can be turned off or connected to one of two audio buses.
The Program 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 two-way intercom communication from any room whose selector switch is
placed in this position.
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