3.5.6
Emergency Hot Microphone
The Hot Microphone allows you to talk without pressing the
PTT
button during Emergency Operation.
The transmission continues for a provisioned amount of time. Pressing the
PTT
button before the Hot
Microphone time expires ends the Hot Microphone operation. Then normal PTT operation in
Emergency group call takes over whereby the transmission is ongoing for the time the
PTT
button is
held.
Subsequent
Emergency
button presses during the Emergency Operation restart the Hot Microphone
transmission.
If a talk permit is granted to another member of the group, the Emergency Call received tone is played.
If configured, the radio automatically attempts to get talk permit again.
Pressing
End
soft key or
End
key ends the Hot Microphone operation.
3.5.7
Alternating Hot Microphone
The Alternating Hot Microphone is an enhancement of the Hot Microphone. After activation, the radio
alternately enters transmission phases (your microphone is active) and reception phases (you can only
listen) for an amount of time precisely determined by your service provider.
If this feature is enabled, you can initiate the Alternating Hot Microphone by pressing the
Emergency
button. If you want to finish earlier or skip the transmission phase, press the
End
key.
The Alternating Hot Microphone terminates when one of the following conditions is met:
• The radio exits the Emergency Mode.
• The Alternating Hot Microphone timer expires.
• The
PTT
button is pressed.
• The
Right
soft key is pressed (only during the transmission phase).
NOTICE:
When the radio goes out of the service, it enters the reception phase and the
Alternating Hot Microphone is on hold. When the radio is back to the service, the Hot
Microphone transmission and the Alternating Hot Microphone resume.
When you are in the Emergency Mode, pressing the
Emergency
button restarts the Alternating
Hot Microphone.
3.5.8
Silent Emergency Mode
The Silent Emergency Mode is a type of emergency services that provides no audible indications nor
keypad tones at the entrance. All the display indications are as in the home mode. However, the radio
cannot use any services except for:
• Receiving Ambience Listening
• Sending Silent Emergency Alarms
• Sending GNSS location reports
NOTICE:
The radio blocks any other feature that you try to activate.
If the Silent Emergency feature is enabled, the radio enters Silent Emergency Mode on pressing the
Emergency
button. After entering this Mode the radio stays in TMO or switches to it, depending on the
actual state. Once in TMO, the radio sends Silent Emergency Alarm.
MN002041A01-AH
Chapter 3: Modes
67