D. Operating instructions.
SMS protocol of, the default password of is 000000
SMS Instruction Format Remark
1 Request one position V******,000
2 Modify user password V******,001,######
****** is old password
###### is new password
3
Set the time internal of position
refresh
V******,002,XXX
XXX(3 digital) =000,stop
=[1——999] time internal (unit: min)
4
Set a preset phone number for
SOS button.
When this button is pressed,
Will send the SOS and position
message to the preset number.
V******,003,1,TelNumber
V******,003,2,TelNumber
TelNumber: Preset Tel. number, can set
2 numbers
(TelNumber must <20 digits )
5
Set low power alarm
When the voltage is lower than the
preset value, will send one lower
power alarm SMS to the control
number.
V******,004,X
X (voltage preset value)
=0 , close (default )
=1 , <3.5V send SMS alarm
=2 , <3.6V send SMS alarm
=3 , <3.7V send SMS alarm
=4 , <3.8V send SMS alarm
=5 , <3.9V send SMS alarm
6
Set over speed alarm
When the speed higher than the
preset value, will send one over
speed alarm SMS to the control
number.
V******,005,XX
XX (the speed preset value)
=00 , close
=[01≤XX≤20] (unit: 10Km)
7 Inquire the system state V******,008
Including the software version,
password, interval, speed limit, area
limit, I/O state, LED display state, GPS
state, SOS number, control number,
etc.
Designer and Manufacturer of GPS Tracking System & Solutions. 12