6 tracking, 1 ping – GLOBALSAT TR-203A User Manual
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6 Tracking
6.1 Ping
Ping is for getting the present location of TR-203 immediately. TR-203 will
report its present location and concerning information when getting the
ping command.
You can ping TR-203 by L4 command or by N1 command.
The parameters of ping:
Code
word
Parameters
Value
Description
D8
Report Media for L4
02=TCP
04=UDP
The connecting method
for TR-203 to connect to
server after receiving
“L4” command.
OD
Report media for
ping (N1)
Please refer to 2.9
Report media
OS
GPS fix time between
receiving ping
command and
sending out ping
report
u16, in
seconds
If OS=0, GPS fix
time=C3
C3
u16, in seconds
0 ~ 600
If "C3"=0,
disable first
report
message.
GPS fix time before
sending out the first
report
Commands format:
GS
C
,IMEI,N1*Checksum!