Download ZETRON 360 Instruction manual

Operation
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Use the jack sense signal on the optional headset interface box to activate and
deactivate the headset. Plug the headset into the box to use it, and unplug the
headset to use the front panel microphone and speaker.
Depending on system programming, the radio can automatically be taken off-hook when
the headset is activated. In that case, the off-hook state will time-out after four minutes
and the radio will be placed on-hook.
Footswitch
A footswitch can be used to control PTT for the front panel microphone or an external
desk microphone. Footswitches can also be used for headset PTT and headset takeover.
Headset takeover controls whether the headset or the front panel mic and speaker are
active.
Recorder
An external recording device can be used to record all TX and RX audio from and to a
remote. TX audio and RX audio are summed together and presented to the Recorder
Audio output. The active low, FET pull to ground Recorder Enable output will be
activated whenever RX audio is present and, in addition, whenever that remote is
transmitting (over the air or in intercom mode).
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