13
3.1 Removal alarm
There is a high sensitive light sensor at the bottom, if the device is tampered, either
the device is working or in sleep mode, it will be activated and enter into
anti-removal status and switch on anti-removal alarm, and report the alarm info to
the backend or preset phone number.
Command
：
FALL,A#
A=3 Turn on the removal alarm, and only report data once,as defaulted.
A=2 Turn on the removal alarm, tracking for 15 minutes, once every 300 seconds
A=1 Turn off the removal alarm function
A=0 Turn on the removal alarm function, tracking for 60 minutes, once every 60
seconds
3.2 Low Voltage Alarm
The device will report low voltage alarm when the battery is less than 10% and alarm
will be off after recharge.
3.3 GPS receiver failure alarm
When the GPS module is turned on, there is no GPS data output for 90 seconds, and
the GPS receiver failure alarm will be reported
PART 03 Alarm Functions