Motorola MTX1550 Guide De L'utilisateur page 49

20L01-A_PR_UG_MTX4500.book Page 47 Friday, April 13, 2007 2:47 PM
Sending a Silent Emergency Alarm
1 In radios with the silent emergency alarm
option enabled, pressing the emergency
button sends an emergency signal to the
dispatcher.
2 During the emergency alarm procedure: the
LED will not light, tones will not sound, and the
display will not change.
3 The audio is muted (turned off), and remains
so until you exit the emergency state.
Canceling an Emergency Alarm
1 Press the emergency button for more than 1
seconds (programmable by the CPS).
2 A medium-pitched emergency-exit tone
sounds until the button is released and the
radio returns to normal operation.
The alarm can also be canceled (without sounding the
emergency-exit tone) by:
• pressing the PTT switch (see following note),
• turning the radio off, or
• receiving an acknowledge from the dispatcher.
Note: Pressing the PTT switch while the radio is in
emergency alarm operation places the radio
in emergency call operation if emergency call
is enabled.
Sending an Emergency Call
1 Press the emergency
button.
2 A short, medium-pitched emergency tone
sounds.
3 Press the PTT switch requesting a priority
1
/
2
mode assignment in the trunked system.
4 While the radio is in emergency call operation,
it operates in the usual dispatch manner.
Note: The mode you use during an emergency is
controlled by
programmed for tactical or non-tactical
operation. If tactical, you will talk to the mode
you selected before entering emergency call;
if non-tactical,
preprogrammed emergency mode.
Alternates between
EMERGENCY
and
PLANT POLICE
whether your radio is
you will talk to a
47
Englis