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6.19.4 SOS
Long Press the SOS button for 3 seconds
（
For model D, press
button on
remote controller for 3 seconds
）
, the tracker device will send SMS “help
me!+lat./long.” to all the authorized numbers at interval of 3 minutes. It
will stop sending such alert SMS when any authorized number reply SMS
“help me” to the tracker.
6.19.5 Geo-fence
Set up a geo-fence for the tracker device to restrict its movements within a
district. The unit will send SMS to the authorized numbers when it goes out
of this district.
Set up: When the unit stays immobile in a place for 3-10 minutes, the user
can send
SMS“spspace+latitude,longitude;latitude,longitude” to
unit to set the restricted district. In case of breach, it will send SMS
“st latitude & longitude” to the authorized numbers
Remark: The first latitude & longitude is coordinate of the top left corner of the
Geo-fence, while the second latitude & longitude is the coordinate of the bottom
right corner, it will alarm at interval of 3 minutes.
Cancel: Send SMS “nospassword” to deactivate this function.
