24 general radio features operation (cont.) – Motorola III User Manual

Page 25

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24

General Radio Features Operation
(cont.)

MAEPF-22623-O(A)

24

Emergency Operation (cont.)

Sending an Emergency Alarm

1.

Press and hold the emergency button (the length of
button press is RSS programmable) until the LED
lights solid red and the display alternates between
showing “EMERGENCY” and the current zone and
mode. A short, medium-pitched emergency tone
sounds.

2.

W h e n t h e t r u n k e d e m e r g e n c y a l a r m i s
acknowledged by the central controller, the radio
sounds four beeps and the alarm ends. The radio
returns to normal operation or, if enabled in your
radio (trunked emergency call systems only), enters
at step 3 of “Sending an Emergency Call.” While in
emergency call operation, subsequent presses of
the emergency button will reinitiate the emergency
silence sequence.

Unmute Option - With this option enabled, the
radio will unmute to all voice activity on the
emergency channel. If disabled, the radio will
operate as normal, muting all voice activity on the
emergency channel until the emergency alarm is
cancelled. This option is RSS programmable.

Sending a Silent Emergency Alarm

In radios with the silent emergency alarm option

enabled, pressing the emergency button sends an
emergency signal to the dispatcher. During the
emergency alarm procedure: the LED will not light,
tones will not be heard, and the display will not change.

The audio will be muted (turned off), and will

remain so until you exit the emergency state.

Cancelling an Emergency Alarm

Press the emergency button for more than 1 1/2

seconds (programmable); a medium-pitched emergency-
exit tone sounds until the button is released and the
radio returns to normal operation.

T h e a l a r m w i l l a l s o b e c a n c e l l e d ( w i t h o u t

emergency-exit tone) by:

pressing the PTT switch (see the note below),

turning the radio off, or

receiving an acknowledge from the dispatcher.

Note: Pressing the PTT switch while the radio is in
emergency alarm operation will place the radio in
emergency call operation if emergency call is
enabled. (see step 3 of “Sending an Emergency
Call”).

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