Bogen SI35A - Manual (Page 8)

SBA225 Speaker Selector Panel
Front View
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 two-way intercom communication from any room whose selector
switch is placed in this position.
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