User's Manual

21
expire, the radio will exit the emergency mode automatically. On silent type
alarm, after send emergency information then press PTT key to exit
emergency mode.
Via programmable software to set it: Signaling Systems folder → Digital Red
Alert → add system1 to set parameters → Channel folder → add
Emergency system
● Emergency Type: Disable, Regular, Silent, Silent with voice, the Disable
option is unable to transmit emergency information.
●Emergency Mode: Emergency Alarm, emergency alarm with call, emergency
alarm with voice to follow.
●Revert Channel: Revert channel is used for digital emergency, only the
channel default address is set as group call contact, the channel is available
for revert channel.
●Impolite Retries: If the current channel is busy, press programmed key also
can send emergency information, number of impolite retries can be set as 1to
15.
●Polite Retries: Only when the current channel is free, press programmed key
to send emergency information, number of polite retries can be set as 0 to 14
and endless.
●Hot MIC Duration: If the emergency mode set as emergency alarm with voice
to follow, after send emergency information, you voice and background noise
to be transmitted automatically as you don’t need to press PTT key within hot
MIC duration.