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Mounting Holes (4)
Volume Control
Headset Jack (2)
Speaker
The speaker broadcasts audio when headsets are not used.
Status Light
The status light illuminates when a station is operating properly. An internal diagnostic check is performed every
time a unit is turned on.
Volume Control
The volume knob controls the audio level of the speaker. It will not turn the audio off completely.
Microphone
The microphone receives audio. It is activated by the PTT button on base stations and "live" on remote stations.
Panel PTT Button
The PTT button activates the microphone on base stations and is not required on remote stations.
Power Switch
The power switch is optional and controls station power. It will not affect other stations.
Headset Jacks
Firecom headsets may be used in the headset jacks for hands-free, full-duplex communications or private broadcast.
Additional radio or in-cab communications are available. See "Options and Accessories" section in this manual.
Wire Connection
See "System Wiring" section in this manual.
Mounting Holes
See "Installation/Mounting" section in this manual.

FEATURES

Status Light
Speaker
Mic
PTT (Push To Talk)
(Not Required On Remote Units)
Power Switch (Optional)
Wire Connection
(See Wiring/Intercom Connection)
3

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