GLOBALSAT TR-203A - Manual (Page 59)

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The parameters of sleeping mode:
Code
word
Parameters Value Description
U0
Report interval in
alert state
1~4Giga seconds
U1
Report interval in
alarm state
1~4Giga seconds
U2 Report Media
Please refer
to 2.9
Report
media
7.2.1 Enter Sleeping Alert
T
Command’s format:
GS C ,IMEI,M1*Checksum!
Commands Codeword Parameters
M1 Set sleeping mode
Nc Dismiss sleeping alarm
n
Under standby mode or other tracking mode, TR-203 received
command and then enter sleeping alert mode (GPS/GSM be turn off).
o
When TR-203 is static, it will send “sleeping alert” report according to
“Alert interval” time.
Other Tracking mode or standby mode
Time
n o
U0 (Alert interval) (Alert Report)