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Emergency Calls
All Selcall emergency calls are transmitted by pressing the
button for more than two seconds and less than ten
seconds and releasing, the alarm sequence starts upon
button release.
The action of the emergency call button depends on transceiver programming:-
Selective Call alarm that only transmits on the currently
selected channel.
Transmits the emergency Selcall sequence once on each press of the
button.
If a GPS receiver is fitted and enabled the GPS position is also sent in the call.
Selective Call alarm that transmits and automatically changes
to a selection of channels
Transmits the emergency Selcall sequence twice on each channel programmed as
an emergency channel, repeating this sequence until the transceiver is switched off
If a GPS receiver is fitted and enabled the GPS position is also sent in the call.
Note:- In all of the alarms above, after the alarm has been
activated by using the button, there is no indication
that an alarm is being sent for security purposes.
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