Note:
It is recommended that an Emergency button
is preprogrammed in order to allow the user to
exit the emergency condition.
The Man Down feature provides a Clear function to
the user. After a Man Down condition has been
detected, the user can press a preprogrammed Clear
button to cancel the Man Down condition. The radio
remains in the Man Down state without triggering an
emergency condition until the radio is moved out of
the Man Down state, at which point Man Down
functionality resumes.
The Man Down feature has three phases:
1
The radio senses the Man Down condition and
Pre-Alert Timer is initiated.
2
Man Down condition continues for the time
duration defined in the Pre-Alert Timer field. At the
end of this time, the radio alerts the user on the
Man Down status with an audible alert tone and
MAN-DOWN text on the screen. The Post-Alert
Timer also initiates at this point.
3
Man Down condition continues for the time
duration defined in the Post-Alert Timer field. Once
the timer expires, the Emergency alarm is
transmitted. The Man Down Clear function is used
in this phase to cancel the Man Down condition.
The following scenarios affect the timers:
•
Pressing the PTT button suspends the Man Down
timers; releasing the PTT button re-initiates the
Pre-Alert Timer.
• Pressing other buttons on the radio does not
impact these timers.
• Repositioning the radio exits the Man Down
feature, which stops and resets the timers.
•
Pressing a preprogrammed Clear button or
pressing a Menu Select button preprogrammed
for Clear stops and resets the timers. The timers
do not restart until the radio is repositioned.
Note:
Emergency must be set up for this feature to
operate. For details on operating the
Emergency alerts, please see Emergency
Operation on page 48.
If the radio is preprogrammed to horizontal
only, it must be worn in a vertical position
otherwise the Man Down alert may be
inadvertently triggered.
56
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