Invisible Emergency; Changing Range Or Talkgroup - Motorola TETRA MTM800 Manual

The required time you need to press the Emergency key is by
default set to 0.5 seconds. The time can be configured by your
Service Provider.
Pressing the Emergency Key even if Transmit Inhibit is
activated causes immediately the terminal to radiate.
When entering the Emergency Mode the terminal should not be
within the RF sensitive area any longer!
The MTM800 interrupts the Ambience Listening call when you
press the Emergency key

Invisible Emergency

This feature can be enabled/disabled by your Service Provider.
Invisible Emergency mode is a type of emergency services
that provides no audible indications and the display
corresponds to the idle state for any Emergency operations.
In this mode, only the user knows that the radio is in the
Emergency mode and sends out Emergency alarm.
All the settings are restored when the user exits the
Emergency mode.
To exit Invisible Emergency mode, the user needs to press
the softkey labelled Exit.

Changing Range or Talkgroup

If the Emergency Group Call is configured to "tactical", you
can select a talkgroup other than the one displayed, press
and then
To change the range press
"Making a Group Call" on page 32.
58
.
.
, and proceed as explained in