Detecting Impact; Post-Alert Timer; Triggering Emergency; Exiting Impact Detected Condition - Motorola APX 5500 User Manual

• Pressing the PTT button does not suspend the Impact Detection sequence.
• Pressing the PTT button, the Clr menu button, or the preprogrammed Clear button when the radio
displays the Impact Detected display alert, exits the Impact Detected condition.
2.8.10.1

Detecting Impact

Procedure:
1 Radio detects the impact on the vehicle and the impact event meets or exceeds the predefined
threshold.
One of the following scenarios occur:
• Radio enters Impact Detected condition. Radio sounds alert tone and displays Impact on
the screen, and Post-Alert Timer is initiated.
Impact Detected condition continues for the time duration defined in the Post-Alert Timer
field. When the timer expires, radio enters into Emergency mode. Radio displays Emergency
on the screen.
• Radio enters Emergency mode immediately and displays Emergency on the screen.
NOTICE:
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.
2 Press the preprogrammed Clr menu button or the preprogrammed Clear button to exit the
Impact Detected condition.
2.8.10.2

Post-Alert Timer

This timer sets the amount of time the radio needs to remain in the Impact Detected condition before
radio enters into Emergency mode. When the Post-Alert Timer is initiated, the radio sounds alert tone
and displays Impact on the screen.
2.8.10.3

Triggering Emergency

Emergency Alarm or call is triggered when you do not clear the Impact Detected condition and when
the Post-Alert Timer comes to an end. The radio sends emergency message to units within the same
Talkgroup. If GPS is enabled, the radio sends GPS coordinates to dispatcher.
2.8.10.4

Exiting Impact Detected Condition

When and where to use: If there is false alarm or you do not want to enter into Emergency mode, you
can exit the Impact Detected condition and prevent emergency from going off with the following
operation.
Procedure:
Perform one of the following actions:
• Press the preprogrammed Clear button to exit.
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Advanced Features
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