Motorola XPR 7550 用户手册
Advanced Features
English
58
calls to sound through the radio’s speaker, until you press the
PTT button to initiate the call.
PTT button to initiate the call.
If your radio is set to Silent with Voice, it does not display any
audio or visual indicators during Emergency mode, but allow
incoming calls to sound through the radio’s speaker. The
indicators only appear once you press the PTT button to initiate,
or respond to, the call.
audio or visual indicators during Emergency mode, but allow
incoming calls to sound through the radio’s speaker. The
indicators 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.
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”.
If your radio has Emergency Cycle Mode enabled, repetitions of
hot mic and receiving period are made for a programmed
duration.
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.
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.
the radio continues to transmit until you release the
PTT button.
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.
OR
LED lights up solid green and the Emergency icon appears.
OR
The display shows Tx Telegram and the destination
alias. The LED lights up solid green and the Emergency icon
appears.
appears.
3
Once the display shows Alarm Sent, 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 and the
Emergency icon appears.
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 and the
Emergency icon appears.
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.
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
OR