Coban GPS303F - Sos; Geo-Fence

6.19.3.2 Send SMS “gpssignal+password+space+off” to deactivate.
6.19.4 SOS
Long Press the SOS button for 3 seconds（For model F, 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 an 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“stockade+password+space+latitude,longitude;latitude,longitude
” to unit to set the restricted district. In case of breach, it will send
SMS “stockade!+ latitude & longitude” to the authorized numbers.
Note: 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 “nostockade+password” to deactivate this function.