Motorola SL4000 用户手册

下载
页码 112
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".
EMEA-ANZ.book  Page 54  Monday, March 19, 2012  2:32 PM