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4. Operating the TR-151
4.1 How to set TR-151SP to immediately report its position?
Users can make TR-151SP to do SMS or/ and GPRS immediate report of its location by the
command media of SMS or GPRS. .
The command is following as:
SMS Report Media
GPRS Report Media
SMS and GPRS Report
Media
GPRS
SMS Report Media
GPRS Report Media
SMS and GPRS Report
Media
The table below explains the content of the command.
Format
?,$
0,8,21
IMEI
Report_Format
Report Phone Number
Return Phone Number
!
TR-151SP will send OK message to the return phone number when the command media is SMS
or to GPRS server when the command media is GPRS to confirm it has received the request.
And then it will start to get fixed the position. After getting fixed the position, it will send its
location to the report phone number or GPRS server. If TR-151SP can not get fixed the position
within the "Maximum GPS Fixing Time", it will return the previous location.
TR-151SP
SMS
Command Media for Immediate Report
?0,IMEI,Report_Format,Report_Phone_Number!
?8,IMEI,Return_Phone_Number!
?21,IMEI,Report_Format,Report_Phone_Number!
Command Media for Immediate Report
$0,IMEI,Report_Format,Report_Phone_Number!
$8,IMEI!
$21,IMEI,Report_Phone_Number!
Description
Start sign
Function code
IMEI code of the TR-151SP
0 or 1. 0 is text format. 1 is NMEA format
The phone number for receiving the report and OK message
The phone number for receiving OK message
End sign
page 10
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