Sending an emergency alarm with call, Advanced features – Motorola 4550 User Manual
Page 49
Advanced Features
English
39
3
When an Emergency Alarm acknowledgment is received,
the Emergency tone sounds and the green LED blinks. The
display shows Emergency Alarm Successful.
OR
If your radio does not receive an Emergency Alarm
acknowledgement, and after all retries have been
exhausted, a tone sounds and the display shows
Emergency Alarm Failed.
4
Radio exits the Emergency Alarm mode and returns to the
Home screen.
If your radio is set to Silent, it will not display any audio or visual
indicators during Emergency mode.
Sending an Emergency Alarm with Call
This feature allows you to send an Emergency Alarm to a group
of radios. Upon acknowledgement by a radio within the group,
the group of radios can communicate over a programmed
Emergency channel.
Procedure:
1
Press the programmed Emergency On button or the
Emergency footswitch.
2
The display shows Sending Alarm, which alternates with
your radio ID. The green LED lights up and the Emergency
icon appears on the Home screen display.
3
When an Emergency Alarm acknowledgment is received,
the Emergency tone sounds and the green LED blinks. The
display shows Emergency Alarm Successful.
4
Press PTT button to make the call. The green LED lights up
and the group icon appears on the display.
5
Wait for the Talk Permit Tone to finish (if enabled) and
speak clearly into the microphone.
OR
Wait for the PTT Sidetone to finish (if enabled) and
speak clearly into the microphone.
6
Release the PTT button to listen.
7
When the channel is free for you to respond, a short alert
tone sounds (
if the Channel Free Indication feature is
enabled). Press the PTT button to respond.
OR
Once your call ends, press Emergency Off button to exit
the Emergency mode.
8
The radio returns to the Home screen.
If your radio is set to Silent, it will not display any audio or visual
indicators during Emergency mode, or allow any received calls
to sound through the radio’s speaker, until you press the PTT
button to initiate the call.
NAG_6880309T15.book Page 39 Tuesday, March 9, 2010 11:47 AM