Interrupt Emergency CALL
Interrupt Emergency CALL is the function to execute Call Interruption if voice communication (including voice
communication
not addressed to the own transceiver) is made on a channel used in Emergency Mode when the transceiver
enters Emergency Mode.
Call Interruption is the function to enable a transceiver other than the transmitting transceiver to terminate voice
communications by sending and receiving the Call Interruption request message. A transceiver receiving the Call Interruption
request message on the channel where the transceiver is performing voice communication terminates voice communication.
(Refer to Terminating Voice Communications by a Transceiver Other Than the Transmitting Transceiver (Call
Interruption).)
Configuration using KPG-D1/ D1N
Configuring Interrupt Emergency CALL to be enabled or disabled (
Transceiver Settings > Personal > Personal
Features > DMR Conventional > Emergency)
Emergency Alarm
Emergency Alarm is the function to send an Emergency Alarm before the transceiver enters Emergency Mode to notify
the base station that the transceiver is in an Emergency situation.
Using this function can reliably notify the base station that the transceiver is in an Emergency situation.
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Behavior of the transmitting transceiver
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The transceiver sends an Emergency Alarm when the Emergency
key is pressed and when Lone Worker or various
Activity Detection functions are activated on a DMR digital channel.
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If the transceiver receives an acknowledgment from the receiving transceiver, the transceiver enters Emergency Mode.
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After sending an Emergency Alarm, if the transceiver receives no acknowledgment until the length of time configured
for Maximum ACK Wait Time elapses, the transceiver resends the Emergency Alarm. If the transceiver still cannot
receive an acknowledgment after sending the Emergency Alarm 5 times, the transceiver enters Emergency Mode.
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Behavior of the receiving transceiver
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If the transceiver receives an Emergency Alarm, the transceiver notifies a user of the receipt of the Emergency Alarm
according to the configuration for Emergency Alarm Response.
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If Emergency Alarm Ack is enabled, the transceiver returns an acknowledgment when the transceiver receives an
Emergency Alarm.
Note
If a zone or channel is changed while the transceiver is in Emergency Mode, the transceiver resends an Emergency Alarm
on the channel to which the transceiver has migrated.
2 COMMUNICATIONS IN AN EMERGENCY
2.1 Placing the Transceiver in Emergency Mode
DMR FUNC (K, F)/Ver 2.20 95
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