6.9.11
Impact Detection
This feature activates Emergency mode when the radio detects a force of gravity impact or orientation
changes on the vehicle in the event of a vehicle crash or rollover. The radio automatically activates
Impact Detected condition when the impact event meets or exceeds a predefined threshold.
The radio must stay in this condition for a preprogrammed amount of time before the Emergency Alarm
or Call is activated. This feature also sends out the location-based information if the GPS feature is
enabled.
In the event of hardware failure or malfunction, the radio alternatively displays Impact HW and Error
and a tone sounds when the radio power-up. Any button press of the radio or accessory except the
programmed button for volume and backlighting functionality ceases the error message and sound.
The following scenarios affect the Emergency feature activation:
• Pressing a preprogrammed Emergency button cancels the Impact Detection sequence and enters
the Emergency mode.
• 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.
6.9.11.1
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.
6875947M01-HM
Advanced Features
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