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

Two Channel Audio Operation

Overview

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A Dual Channel Audio System can play one prerecorded message and one live message at the
same time. In other words, a prerecorded message can be playing on Floor 1 while an
announcement is being made on Floor 2.
RED FIRE ALARM LED
FIRE ALARM
ACKNOWLEDGE KEY
TALK LED
MIKE TALK SWITCH
EVAC CHANNEL
IN
CONTROL
ALL
SPEAKERS
EVAC
SELECTIVE
EVAC
LOCAL
SPEAKER
ALERT
LOCAL
SPEAKER
EVAC
ALL
SPEAKERS
TALK
READY
TO
TALK
OPERATION SELECT
SWITCHES
Figure 8-2. Two Channel Hardware
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4100U MAIN CONTROL PANEL
1st 1st
Flr. Flr.
2nd 2nd
Flr. Flr.
3rd 3rd
Flr. Flr.
4th 4th
Flr. Flr.
5th 5th
Flr. Flr.
6th 6th
Flr. Flr.
7th 7th
Flr. Flr.
8th 8th
Flr. Flr.
SPEAKER SELECT SPEAKER SELECT
SWITCHES SWITCHES
8-7
FIRE ALARM
SILENCED LED
FIRE ALARM
SILENCED KEY
TALK CHANNEL
PHONE
PIEZO
SILENCE
PHONE 1
CIRCUIT
PHONE 2
CIRCUIT
PHONE 3
CIRCUIT
PHONE 4
CIRCUIT
PHONE 5
CIRCUIT3
PHONE 6
CIRCUIT
PHONE 7
CIRCUIT
PHONE SELECT
SWITCHES
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