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6.18. Alarms
6.18.1 Low battery alarm
6.18.1.1 Send SMS "lowbattery+password+space+on", it will send SMS "low
battery+latitude/longitude" to authorized numbers 2 times in total in 15 minutes interval when
voltage of battery is going to be about 3.55V.
6.18.1.2 This function activates as default, send SMS "lowbattery+password+space+off" to
deactivate.
6.18.2 External Power off alarm
6.18.2.1 Send " extpower+password+space+on" to activate, it will send SMS "power
alarm+latitude/longtitude" to authorized numbers every 3 minutes when external power is cut off.
6.18.2.2 This function activates as default
Cancel: Send SMS "extpower+password+space+off" to deactivate it.
6.18.3 GPS blind Spot alert
6.18.3.1This function deactivates as default, send SMS "gpssignal+password+space+on", it will
send alert SMS "no gps+last valid latitude/longitude before lost signal" when lost GPS signal.
6.18.3.2 Send SMS "gpssignal+password+space+off" to deactivate
6.18.4. SOS Alert
Long Press the SOS button for 3 seconds（For model B, press
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.
6.18.5. 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
12
button on remote controller for 3
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