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GPS tracking system
Low battery alarm
When device battery is lower than 20%, it will send a SMS alarm “BAT: LOW!” to all authorized numbers. If battery lowers than 15%, the blue light will flash
rapidly to warn the user to charge the device as soon as possible.
1.
Location request
4.1 Reply with coordinates and web link
Command:
loc
The device will reply “GPS Info! Time: xxxxx; Lat: xxxx; Lon: xxxx; Spd: xxxxx, Altitude:xxxx Bt: xxx
maps.google.com/maps?q=loc:22.647379,114.030998
※
Put coordinates to Google earth or Google maps. Click on search button, then you will find the position fixed.
※
Click on the link then the location can be shown directly on Google Map on your mobile phone.
2.
Listen‐in (
Voice wiretapping)
Command:
L1
A1, B1, C1 can make a silence call to the tracker, the track answers the call automatically and allows the caller to hear what is happening around the tracker.
There is no voice indication that the call is in progress.
To turn off this function, please send
L0
to the device.
3.
Shut down LED
Command:
LED1
The device will reply “LED off” and later LEDs will stop flashing, but the device is actually on.
To turn off this function, please send
LED0
