User's Manual

TR-151A page 35
4.8 How to set TR-151A enter Geofence mode?
Users can send SMS to TR-151A for setting up to 10 permissible or restricted areas whose
shape is circular or rectangular for tracking the vehicles or monitoring the equipment/assets.
Users can choose to receive alarm message while TR-151A enters the restricted areas or to
receive alarm message while TR-151A gets out the permissible areas. The content of the SMS
includes the rectangular or circular areas defined by longitudes and latitudes, getting in the
restricted areas or getting out the permissible areas to send alarm, time intervals of alarm report,
number of reports, report format and return phone number.
The format of SMS is as below.
Report type Format Return message
4 SMS Geofence
?4,IMEI,{[R,longitude,latitude,longitude,latitude],
[C,longitude,latitude,radius(meter)]},In_or_Out,
Report_Interval,Number_of_Reports,Report_Format,
Return_Phone_Number!
?4,IMEI,OK!
11
GPRS
Geofence
?11,IMEI,{[R,longitude,latitude,longitude,latitude],
[C,longitude,latitude,radius(meter)]},In_or_Out,
Report_Interval,Number_of_Reports,Report_Format,
Return_Phone_Number!
?11,IMEI,OK!
The description of SMS
Format Description
?4
?11
Start sign and function code
?4 Æ Send location info to mobile phone.
?11 Æ Send location info to TR-151A call center
IMEI IMEI of TR-151A
{[R,longitude,latitude,longitude,latitude],[C,lo
ngitude,latitude,
radius(meter)]}
Boundary information:
R: rectangular shape Æ Follow by two longitudes, latitudes.
C: circular shape Æ Follow by one longitude, latitude and one
radius.
In_or_Out
In_or_Out=in Æ Send alarm message if TR-151A gets in the
restricted areas.
In_or_Out=out Æ Send alarm message if TR-151A gets out
the permissible areas.
Report_Interval Time interval of sending data report. The unit is second.
Number_of_Reports
Set how many reports will be sent?
Number_of_Reports=0 Æ continuous report
Number_of_Reports=X Æ X times report
Report_Format
Set TR-151A to return message by Format0 or Format1.
(see description below)
Return_Phone_Number
?4: The phone number for receiving return message and alarm
message.
?11:The phone number for receiving return message
! End sign