Single Channel Audio Operation; Overview - Simplex 4100U Operator's Manual

Single Channel Audio Operation

Overview

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This section describes the single channel and single channel plus paging audio systems. The term
Single Channel Audio refers to the audio capability of the system.
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A Single Channel Audio system has the ability to play pre-recorded messages or live audio
messages, but it cannot do both at one time. For example, suppose the building's audio
system is divided into eight groups, each of which represents a floor of the building. A single
channel audio system can play a pre-recorded message or live audio one floor at a time.
RED FIRE ALARM LED
FIRE ALARM
ACKNOWLEDGE KEY
TALK LED
MIKE TALK SWITCH
IN
CONTROL
ALL
SPEAKERS
EVAC
SELECTIVE
EVAC
LOCAL
SPEAKER
EVAC
ALL
SPEAKERS
TALK
READY
TO
TALK
OPERATION SELECT
SWITCHES
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4100U MAIN CONTROL PANEL
PHONE
8th
Flr.
SILENCE
7th PHONE 1
Flr. CIRCUIT
6th PHONE 2
Flr. CIRCUIT
5th PHONE 3
Flr. CIRCUIT
4th PHONE 4
Flr. CIRCUIT
3rd PHONE 5
Flr. CIRCUIT
2nd PHONE 6
Flr. CIRCUIT
1st PHONE 7
Flr. CIRCUIT
SPEAKER SELECT PHONE SELECT
SWITCHES SWITCHES
Figure 8-1. Single Channel Audio
8-2
FIRE ALARM
SILENCED LED
FIRE ALARM
SILENCED KEY
PHONE 8
PIEZO
CIRCUIT
PHONE 9
CIRCUIT
PHONE 10
CIRCUIT
PHONE 11
CIRCUIT
PHONE 12
CIRCUIT
PHONE 1
CIRCUIT3
PHONE 14
CIRCUIT
PHONE 15
CIRCUIT
PHONE SELECT
SWITCHES
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