Motorola SL7550 - Manual (Page 68)

Advanced Features
English
54
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.
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.
4 Your radio enters the emergency call mode when the display
shows Emergency and the destination group alias.
5 Hold the radio vertically 1 to 2 inches (2.5 to 5.0 cm) from
your mouth.
6 Press PTT button to make the call. The LED lights up solid
green and the group icon appears on the display.
7 Wait for the Talk Permit Tone to finish (if enabled) and speak
clearly into the microphone.
8 Release the PTT button to listen.
When you receive a group call, the display shows the caller
alias and group alias, the radio unmutes and the group call
sounds through the radio's speaker.
9 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.
10 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.
If your radio is set to Silent with Voice, it will not display any
audio or visual indicators during Emergency mode, but allow
incoming calls to sound through the radio’s speaker. The
indicators will only appear once you press the PTT button to
initiate, or respond to, the call.
Sending an Emergency Alarm with Voice to
Follow
This feature allows you to send an Emergency Alarm to a group
of radios. Your radio’s microphone is automatically activated,
allowing you to communicate with the group of radios without
pressing the PTT button.
This activated microphone state is also known as "hot mic".


NAG-LACR.book Page 54 Wednesday, May 2, 2012 2:47 PM