12
number, press " Call2" can
dial the third number. if a
new number is coming, you
can listen by hang up
button, hang down button
for close
Monitor Function
Send : 555+Password
Eg: 5550000
After the unit receive this
command, the unit will call
the sender
SOS Alarm
Send SOS Alarm Command : 720
Eg
：
#720#3# Password ##
This command is mean that when you press the SOS
Button, the unit will call to the center number and send
SOS Alarm message to the center number
The default state is close
this funciton ,so if you don't
set 720 command, the unit
will not take alarm even
press the SOS Button
Geo Fence Function
Send 750 Command
：
#750#radiusmeters(5digits)#interval(minutes)#passwor
d##
Choose the current point to the basic point.
#750#100#1#0000#
(2)#751#500#5#2234.5848N#11354.028#0000##
This command is mean
that the unit will get the gps
satellite and get the correct,
then the first position will
be the basic point,after
configuration,the unit will
check whether the unit is
over the area every one
minute (the time you can
set it ) , if over the area, the
unit will take alarm to the
sender
(2)This command is that
get the single latitude and
longitude to set the geo
fence,
put
2234.5848N,11354.028E be
the origin point, and the
radius is 500meters for the
area .
Cancel or Check the
Geo Fence Function
（
1
）
#760# Password #
（
2
）
#752# Password #
（
1
）
This command can
cancel
the
geo
fence
function that you already
set it ago.
（
2
）
This command can
check the information of
geo fence
Change the password of
Unit
#770#1111# Password ##
Change
0000(initial
password) to 1111 (new
password)
Other Function
（
1
）
#901##
（
2
）
#902##
（
1 Read the User data
（
2
）
Read
the
GPRS
