Pre-Alert Timer; Post-Alert Timer - Motorola APX 4000 User Manual

alerts the user on the Man Down status with an
audible alert tone and 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
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.
When the radio is programmed with Man Down
feature, special care is required when charging the
radio with a wall mounted charger. See
to Handle the Radio
Pre-Alert Timer
This timer sets the amount of time that a Man Down
condition must be present before the radio-user is
warned of the Man Down condition.
When the radio detects that it has returned to the
vertical position or when the radio detects motion, the
Pre-Alert timer stops and is reset.
The Pre-Alert timer reinitiates when the radio detects
it is in the horizontal position or motionless again.

Post-Alert Timer

This timer sets the amount of time the radio needs to
remain in the Man Down condition before the
Emergency alarm is transmitted.
on page 92. See
Man Down feature.
on page 180 for details.
Exiting Man Down Feature
Proper Ways
on page 99 to exit
97
English