3. Operating Instructions.
SMS protocol of 900E, the default password of 900E is 000000
SMS Instruction Format Remark
1 Request one position A******,000
000: command code
******: password, default 000000
2 Modify user password A******,001,######
001: command code
******: old password , default 000000
######: new password
3 Set a preset phone number for SOS
button or monitoring number
A******,002,1, Tel Number
A******,002,2, Tel
Set SOS number
Set monitoring number
4 Set the time interval of
position refresh to SOS number
A******,003,XXX
XXX =000,stop
XXX = 001 – 999 time internal (unit: min)
5 Set low power alarm When the 900E
voltage is lower than the preset
value, 900E will send
one lower power alarm SMS to the
control number. Otherwise,there is
not this function in vehicle tracker.
A******,004,X X : voltage preset value
X=0, close (default )
X =1, <3.5V send SMS alarm
X =2, <3.6V send SMS alarm
X =3, <3.7V send SMS alarm
X =4, <3.8V send SMS alarm
X =5, <3.9V send SMS alarm
6 Set over speed alarm When the
900E speed higher than the preset
value, 900E will send one over
speed alarm SMS to the control
A******,005,XX XX : the speed preset value
XX = 00 , close
01 =
XX =
99 (unit: XX Km/h)
7 GPRS Status, To
check GPRS Status
A******,502 502: command code
8 Get IMEI A******,505
9 Set GPRS internal of position refresh A******,506,00030 00030: Such as 30 seconds interval is
00030
10 Check GPRS internal of position
refresh
A******,507
11 Inquire GPRS parameter Retrue
Including IP, Port, APN
A******,006
12 Control the output A******,007,P,F
P: the position of the
output
P =1 output 1 P =2 output 2
www.globaltrackergps.com