GLOBALSAT TR-203A - Manual (Page 45)

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6.3 On-Line Mode
In On-Line mode, TR-203 will keep GPRS connection. If TR-203 detects the
GPRS connection is cut, it will try to connect to server for one time. If it
cannot connect to server, it will re-connect to server when the next report
time.
Some telecom operator will kick off the continual GPRS connection. So you
could make GPRS connection cut and then make the GPRS connection
again according to a regular interval by parameter E4. If E4=0, TR-203 will
not cut GPRS connection and then connect again. It will keep GPRS
connection. You could also make TR-203 to check if GPRS connection is
on-line according to a regular interval by parameter E5. If GPRS connection
is cut, TR-203 will try to connect to server for one time.
You can also set a traveled distance, and then TR-203 will report by the
combination of report interval and traveled distance.
You could define the content of report and the report interval of on-line
mode.
The parameters of On-Line mode:
Note of Traveled Distance:
You can also set a traveled distance, and then TR-203 will report by the
combination of report interval and traveled distance.
For example, the report interval is 60 seconds, the traveled distance is
800 meters, TR-203 sends 1 report at 10:00:00, and then it detects the
traveled distance is over 800 meters at 10:00:50, it will send out one
report and re-start to count the report interval and the traveled distance.
The next report will be sent out at 10:01:50 or when the traveled
distance is over 800 meters.