UniGuard Technology Limited
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Notice: The speed motioned above less than 50km/h will bring some influence to GPS signal, then bring some
drift.
10. Low battery alarm
Once the tracker battery get close to 3.7V, GPS tracker will send a low battery alarm SMS to admin phone number.
11. Working mode setting:
There are three working modes setting for GPS tracker:
11.1 Timing Sleep mode
Instruction: sleep+pspace+time(minutes)
For example: Sleep123456 10 , if user send this instruction to tracker, tracker will reply
“ Sleep time ok”, without any
operations (by button, SMS or Call)for 10 minutes, it will step into sleep mode, GPS function and LED light will be
turned off, after that, if you press any GPS tracker button, send SMS, or make a call to GPS tracker, it will be waked
up. Of course, this mode will work under no vibration alarm setting.
11.2 Vibration sleep mode
Vibration alarm setting: Instruction: Shock+password, user send this instruction to tracker, then tracker will reply
with
“shock ok” if tracker detect any shock, it will send vibration alarm SMS to admin phone number every 5 minutes
Instruction: sleep+pspace+shock
For example: sleep123456 shock, if user send this instruction to tracker, tracker will reply
“sleep shock ok”. Under
this mode, if GPS tracker has not detect any operations, or vibration in 5 minutes. GPS function and LED light will be
turned off. Then any operation or vibration can wake up GPS tracker.
11.3 No sleep mode.
Instruction:sleep+password off
Once user send this instruction to GPS tracker, GPS function, LED light, and GSM will work all the time.
Cancel vibration alarm
Instruction: space+password
Feedback SMS: noshock ok
12. Recover factory setting and reset GPS tracker
12.1 Recover factory setting:
Instruction
：
password
Notice: Once user send this instruction to GPS tracker, all setting which has been done by user will be canceled.
Only Admin phone number can executive this instruction.
12.2 Reset GPS tracker
Instruction
：
RST
With this instruction, GPS tracker will be restarted.
