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4
NXDN
™
OPERATION
4-4
Transmitting a call
Transmitting an Emergency Call
D
When [Emergency] is held down for the preset time pe-
riod, the emergency signal (digital command) is trans-
mitted once, or repeatedly*, on the specified emergen-
cy channel.
* Depending on the presetting.
When no emergency channel is specified, the signal is
transmitted on the operating channel.
When the Repeat Cancel function is ON, the transceiv-
er cancels repeating after receiving an acknowledge-
ment.
When the Repeat Cancel function is OFF, the trans-
ceiver repeats calling according to the number of repeat
cycles, even after receiving an acknowledgement.
Individual or Talkgroup call types of emergency calls
can be preset. If the call type is not preset, the default
or selected call type is used.
If you want to cancel the emergency call, hold down
[Emergency] again before transmitting the call.
If your transceiver is programmed for Silent operation,
you can transmit an Emergency call without the beep
sounding and the status indicator lighting.
The transceiver can also be programmed to keep the mi-
crophone open during an emergency call, allowing other
persons to monitor the situation.
IMPORTANT:
We recommend you set an emergen-
cy channel individually to provide reliable emergency
call operation.
NOTE:
If the Request Acknowledge function is ON,
the transceiver transmits the emergency call with the
request to send back an acknowledgment.
Man Down Emergency Call
D
When the transceiver has been left in a horizontal po-
sition for a preset time period, the transceiver enters
the emergency mode, and then the countdown for the
emergency call transmission starts.
After the preset time period, an emergency call is au-
tomatically transmitted once, or repeatedly, depending
on the presettings.
If the transceiver is placed in a vertical position before
the first transmission, the transceiver exits the emer-
gency mode and the emergency call is cancelled.