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5.19 SOS alert
Press the SOS for 3 seconds, it will send “help me!+ Geo-info” to all the authorized numbers
every 3 minutes. It will stop sending such a SMS when any authorized number reply SMS “help
me!” to the tracker.
5.20 Low battery alert
5.20.1 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.
5.20.2 This function activates as default, send SMS “lowbattery+password+space+off” to
deactivate.
5.21 GPS blind Spot alert
5.21.1 This function deactivates as default, send SMS “gpssignal+password+space+on”, it
will send alert SMS “no gps+last valid latitude/longitude before lost signal” to authorized
phone numbers.
5.21.2 Send SMS “gpssignal+password+space+off” to deactivate.
5.22. Sleep Mode
5.22.1 Sleep by time
Send "sleep+password+space+time", tracker will reply "sleep time ok" if none of the
alarms/alerts has been set and no operations in 5 minutes, tracker will fall asleep, GPS
module shut off, and LED will be off too. Calling or SMS can awake the tracker. If alarms
have been set, tracker will enter sleep by detecting shock sensor.
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