Responding to an emergency alarm, Sending an emergency alarm, Advanced features – Motorola SL7550 User Manual
Page 67
Advanced Features
English
53
Responding to an Emergency Alarm
Procedure:
When receiving an Emergency Alarm:
1
In the Alarm List,
^
or
v
to the required alias.
2
Hold the radio vertically 1 to 2 inches (2.5 to 5.0 cm) from
your mouth.
If the Channel Free Indication feature is enabled, you will
hear a short alert tone the moment the transmitting radio
releases the PTT button, indicating the channel is now
available for use.
3
Press PTT button to transmit non-emergency voice to the
same group that the Emergency Alarm was targeted to. The
LED lights up solid green. Your radio remains in the
Emergency mode.
4
Wait for the Talk Permit Tone to finish (if enabled) and speak
clearly into the microphone.
5
Release the PTT button to listen. When the emergency
initiating radio responds, the LED blinks green, the radio
unmutes and the response sounds through the radio's
speaker. You see the Group Call icon, the group ID, and
transmitting radio ID on your display.
6
Your radio displays the Alarm List.
Emergency voice can only be transmitted by the emergency
initiating radio. All other radios (including the emergency
receiving radio) transmit non-emergency voice.
Sending an Emergency Alarm
This feature allows you to send an Emergency Alarm (i.e. a
non-voice signal) which triggers an alert indication on a group of
radios.
Procedure:
1
Press the programmed Emergency On button.
2
The display shows Tx Alarm and the destination alias. The
LED lights up solid green and the Emergency icon appears.
3
When an Emergency Alarm acknowledgement is received,
the Emergency tone sounds and the LED blinks green. The
display shows Alarm Sent.
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
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.
NAG-LACR.book Page 53 Wednesday, May 2, 2012 2:47 PM