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ALL SPEAKERS EVAC SWITCH
This switch is used to turn ON all of the speaker circuits on the EVAC channel, which will output the evacuation tone,
evacuation message or a combination of both. Pushing the switch to the DOWN position cancels the tone/message
(if in progress), and turns OFF any active speaker circuits after the Evacuation tone/message is completed. The LED
(red) tracks when all speaker circuits are turned ON and playing the EVAC message.
SELECTIVE EVAC SWITCH
This switch is used to start the evacuation tone, evacuation message or a combination of both on the evacuation
channel. As this switch is used when specific areas are to be evacuated, individual Speaker Select Switches must
be activated before turning this switch ON. Pushing this switch to the DOWN position will cancel the message, if in
progress, but will not turn OFF active speaker circuits. The LED (red) tracks the evacuation tone/message to indicate
when the tone/message is playing.
NOTE: The individual speaker circuits must be manually turned OFF as required.
ALL SPEAKERS TALK SWITCH
This switch, in the UP position, activates all speaker circuits that are OFF, routes them to Channel 3 (TALK), and
connects the mike to ALL active ALERT and EVAC speaker circuits. If this switch is activated while the Evacuation
tone/message is playing, the tone/message will continue to play until the Mike Talk Switch is pushed. Pushing this
switch to the DOWN position turns OFF the active microphone speaker circuits. If any speakers circuits were ON as
a result of the alarm condition, they will not be affected. The LED (green) tracks when speaker circuits are turned ON.
NOTE: To use the microphone during non-alarm conditions, the ALL SPEAKERS TALK switch or individual
Speaker Select Switches must be activated. They must be manually turned OFF as required.
LOCAL SPEAKER ALERT SWITCH
Turning the LOCAL SPEAKER ALERT Switch ON (UP) allows any message playing on Channel 2 to be heard over
the local panel speaker. Turning this switch OFF (DOWN) turns OFF the local panel speaker, although any tone/
message continues to be heard on selected speaker circuits. If the LOCAL SPEAKER EVAC Switch is activated,
followed by the LOCAL SPEAKER ALERT Switch, the ALERT function has priority. The LED (green) will be ON when
the LOCAL SPEAKER ALERT Switch is ON.
LOCAL SPEAKER EVAC SWITCH
Turning the LOCAL SPEAKER EVAC Switch ON (UP) allows any message playing on Channel 1 to be heard over
the local panel speaker. Turning this switch OFF (DOWN) turns OFF the local panel speaker. If the LOCAL
SPEAKER ALERT Switch is activated, followed by the LOCAL SPEAKER EVAC Switch, the EVAC function has
priority. The LED (green) will be ON when the LOCAL SPEAKER EVAC Switch is ON.
OPTIONAL FUNCTIONS
Optional Functions are available to enhance the operation of your 4100 audio communication system. These
features may be custom programmed to meet your operational requirements. These Optional Functions are
provided by your local Simplex Branch Office:
• Drill Switch – This option is used to play a drill message on manually-selected speaker circuits. When this
switch is placed in the UP position, the Drill Message is played. When this switch is placed in the DOWN
position, the Drill Message is silenced. The associated LED tracks the ON position of the switch, if
programmed.
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