Motorola 4550 - Manual (Page 47)

Advanced Features
English
37
In addition, each alarm has the following types:
• Regular – Radio transmits an alarm signal and shows audio
and/or visual indicators.
• Silent – Radio transmits an alarm signal without any audio or
visual indicators. Radio receives calls without any sound
through the radio’s speaker, until you press the PTT button to
initiate the call.
• Silent with Voice – Radio transmits an alarm signal without
any audio or visual indicators, but allow incoming calls to
sound through the radio’s speaker.
Only one of the Emergency Alarms above can be assigned to
the programmed Emergency button or the Emergency
footswitch.
Receiving an Emergency Alarm
Procedure:
1 When receiving an Emergency Alarm, the display shows the
Emergency icon, the number of alarms received, and Alarm
Rcvd, which alternates with the alias or ID of the sender.
2 A tone sounds and the red LED blinks.
3 Your radio automatically acknowledges the Emergency
Alarm (if enabled).
When your radio receives an Emergency Alarm, it displays the
Emergency Alarm received indications until acknowledgement
is sent (if enabled) and you exit the Emergency mode.
You will not be able to receive any other indications or displays
for any other calls until you exit the Emergency Alarm received
screen.
NOTE: Press R , then press Emergency Off button
immediately to clear the Emergency Alarm received
indications and exit Emergency mode.
Press R , then press Emergency On button
immediately to toggle the Emergency feature between
hidden or shown.
When your radio receives an Emergency Alarm, and you
change the radio channel, the Emergency Alarm list is hidden.
The new channel displays the Emergency icon and the red LED
blinks. When you change the radio channel back to the previous
channel, it also displays the Emergency icon and the red LED
blinks.

NAG_6880309T15.book Page 37 Tuesday, March 9, 2010 11:47 AM