GLOBALSAT TR-203A - Manual (Page 89)

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13 Buffer Storage
When TR-203 is carried to the areas without GSM/GPRS signal coverage, TR-203
could not send its location reports to server. In order not to lose the location report,
TR-203 will save the location reports during the periods without GSM/GPRS signal
to buffer storage. When TR-203 is carried to the areas with GSM/GPRS signal, it
will send the location reports in the buffer storage to server. TR-203 could save up
to 8000 pieces of location reports to buffer storage.
The behavior mode is as following:
The parameter of enable data buffer function is OG.
You could set OG by configuration or sending OG by the other action commands:
Code word Parameters Value Description
OG
Enable/ disable data
buffer function
1/0
0=disable
1=enable
n
Tracking report
o
Enter area without GSM/GPRS signal coverage.
p
Save location report to buffer storage
q
Enter area with GSM/GPRS signal
r
Send periodic report
s
Send the location report in the buffer storage
Tracking report interval
Buffer storage report interval (once every 4 seconds)
(Tracking report)
(Buffer storage report)
Lost GSM/GPRS signal period
Time
n
o
p
q
r s
(Store to buffer storage)