19
6.19.3. GPS blind Spot alert
6.19.3.1 This function deactivates as default, send SMS “gppspace+on”, it
will send alert SMS “no gps+last valid latitude/longitude before lost signal”
6.19.3.2 Send SMS “gppspace+off” to deactivate.
6.19.4 SOS
Long Press the SOS button for 3 seconds
（
For model B, 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 a 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 at interval of 3
minutes.
