Motorola APX 8500 Manual page 141

Emergency Operation
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
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Emergency mode.
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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
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the Impact Detected display alert, exits the Impact Detected condition.
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CONTENTS
ADVANCED FEATURES
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