All Circuits Pa (Talk) Switch; Selective Circuits Pa (Talk) Switches - Simplex 4100 Operator's Manual

Page 8
2.7

ALL CIRCUITS PA (TALK) SWITCH

This switch is used to turn ON all speaker circuits to broadcast public address announcements.
Each switch is a momentary switch that has an associated led with it to indicate switch
operation.
The momentary UP or DOWN position of the switch turns all speaker circuits ON. The
associated LED (red) is ON when all the speaker circuits are activated for Public address (PA).
Announcements can now be made using the panel microphone while the Mike Talk Switch is
held in.
To cancel the ALL ZONE PA, push the associated momentary switch in the UP or
DOWN position.
2.8

SELECTIVE CIRCUITS PA (TALK) SWITCHES

The zone PA Select Switches are normally used to turn ON individual zone speaker circuits.
Each switch is a momentary switch that has an associated LED to indicate switch operation.
The momentary UP or DOWN position of the switch turns the selected speaker circuit ON.
The associated LED (green) is ON when the speaker is activated for Public address (PA).
Announcements can now be made using the panel microphone while the Mike Talk Switch is
held in.
To cancel the selected zone PA mode, push the associated momentary switch in the
UP or DOWN position.
Document No.: 4100-M010A May 1999
SIMPLEX 4100 EWIS
OPERATOR MANUAL
Issue 3.1