Motorola DP 4400 UHF - Manual (Page 37)

Advanced Features
English
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allowing you to communicate with the group of radios without
pressing the PTT button.
This activated microphone state is also known as “hot mic”.
If your radio has Emergency Cycle Mode enabled, repetitions of
hot mic and receiving period are made for a programmed
duration.
NOTE: During Emergency Cycle Mode, received calls sound
through the radio’s speaker.
If you press the PTT button during the programmed receiving
period, you will hear a prohibit tone, indicating that you should
release the PTT button. The radio ignores the PTT press and
remains in Emergency mode.
NOTE: If you press the PTT button during hot mic, and
continue to press it after the hot mic duration expires,
the radio continues to transmit until you release the
PTT button.
Procedure:
1 Press the programmed Emergency On button.
2 The LED lights up solid green.
3 Once a tone sounds, speak clearly into the microphone.
When hot mic has been enabled, the radio automatically
transmits without a PTT press until the hot mic duration
expires.
While transmitting, the LED lights up solid green.
4 The radio automatically stops transmitting when:
Once the cycling duration between hot mic and receiving
calls expires, if Emergency Cycle Mode is enabled.
OR
Once the hot mic duration expires, if Emergency Cycle
Mode is disabled.
5 To transmit again, press the PTT button.
OR
Press the programmed Emergency Off button to exit the
Emergency mode.
If your radio is set to Silent, it does not display any audio or
visual indicators during Emergency mode, or allow any received
calls to sound through the radio’s speaker, until the
programmed hot mic transmission period is over, and you press
the PTT button.
If your radio is set to Silent with Voice, it does not display any
audio or visual indicators during Emergency mode when you
are making the call with hot mic, but allow sound through the
radio’s speaker when the target radio responds after the
programmed hot mic transmission period is over. The indicators
only appear when you press the PTT button.
NOTE: If the Emergency Alarm request fails, the radio does
not retry to send the request, and enters the hot mic
state directly.
NKP_EMEA.book Page 29 Monday, July 2, 2012 3:50 PM