Motorola TETRA MTM800, Feature User Manual, Page: 82 / 382

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Modifying the Type of Call
The infrastructure can modify on-going calls as follows:
• Emergency Group Call to Emergency Private Call, and
vice versa.
• Anyone of the above to a Phone Call.
If Hot Mic is interrupted when the modification occurs, the
display will show the
Emgcy Mic Ended message.
Continue the modified call depending on the type of call.
Silent Emergency Mode
Silent Emergency mode is a type of emergency services that
provides no audible indications and no keypad tones at the
entrance. Silent Emergency alarm is sent to the group or a
user defined by the Service Provider. All the screen
indications are kept as it is for the normal mode but the radio
cannot use any of the services except:
• receiving Ambience Listening.
• sending Silent Emergency alarms.
• sending GPS signal based on SDS application.
Entering the Silent Emergency Mode
To enter Silent Emergency mode the user needs to press the
Emergency button.
Exiting the Silent Emergency Mode
To exit the Silent Emergency mode:
• user initiates it by pressing Menu and then # key within 3
seconds.
• the Silent Emergency alarm is not successful or it is
rejected
This feature needs to be enabled by your Service Provider.