Motorola TETRA MTM800 Manuel d'utilisation de base - Page 28
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•
if you press the Emergency key
is in Emergency mode.
After sending the alarm, the screen will show one of the following
delivery reports:
•
Alarm Sent
•
Alarm Failed
In both cases the screen returns within a few seconds to the main
screen of the Emergency mode.
Due to no delivery confirmation in DMO, Alarm Sent information
confirms only sending the alarm.
Some systems do not support the Emergency Alarm feature when
the user is in a "Local Area Service" area.
The Emergency Alarm is a special status message sent to the
dispatcher monitoring the selected talkgroup. This can be used in
dispatch systems to highlight emergency calls.
Hot Microphone Feature
If the Hot Microphone feature was programmed into your MTM800
by your Service Provider, you can make an Emergency Group Call
and talk to the dispatcher (and members of your talkgroup) without
the need to press and hold the PTT.
The microphone will stay open for a time period (programmed by
your Service Provider). The microphone will stay open until:
•
the Hot microphone time period expires
•
you press PTT during the Hot Microphone period
•
you press the End key
At the end of the Hot Microphone the Emgcy Mic Ended message
will be displayed and the MTM800 reverts back to the Emergency
Mode. The Hot Microphone feature is disabled and PTT operation
returns to normal.
If required you can resume Hot Microphone by pressing the
emergency key again.
Pressing the Emergency button, even if
Transmit Inhibit is activated, causes the
MTM800 to radiate immediately. The MTM800
must NOT be within the RF sensitive area when
entering Emergency mode.
again while the MTM800
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