When the radio is programmed with Man
Down feature, special care is required when
charging the radio with a wall mounted
charger. See Proper Ways to Handle the
Radio on page 87 for details.
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. When the Post-Alert
Timer is initiated, the radio alerts the user with an
audible tone and displays the “MAN-DOWN” text.
See Exiting Man Down Feature on page 58 to exit
Man Down feature.
Radio Alerts When Man Down Feature is Triggered
The Man Down alert tone volume is directly related to
the radio speaker volume. Ensure that the radio
speaker volume is loud enough so that the user does
not miss the Post-Alert tone.
Note:
If the radio is programmed with Silent
Emergency, the radio inhibits the alert tone
and visual alert associated with the
emergency feature.
If the radio is programmed in Surveillance
Mode, the radio inhibits all tones and lights on
the radio including the Man Down tones.
Triggering Emergency
When the user does not clear the Man Down
condition and the Post-Alert Timer comes to an end,
Emergency Alarm or call is triggered. The radio sends
emergency message to units within the same
Talkgroup. The radio also sends ID number and GPS
coordinates to dispatcher if these features are
enabled. User can exit Emergency following the
Emergency procedure. See Emergency Operation on
page 48 for details.
57
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