User's Manual

3.11 About time zone settings and related instructions
1 GMT,<A>,<B>,<C>
Set time zone: A: E or W B: 0 ~ 12 time zone C: half
time zone
Example: GMT, E, 8 #
2 USELOCALTZ,1
Associated time zone: The reported data time is
synchronized to the set time zone
3 USELOCALTZ,0
Non-associated time zone: The default reported
data time is fixed to the time zone of UTC + 8
3.14 Common Query Commands
1 VERSION# Query software version
2 PARAM# Query the device parameters
3 STATUS# Query working status
4 123
Query the device address, the device will force a
position data to be reported to the server after
receiving the 123 command.
5 FACTORY
Restore factory settings, IP and domain names will
not restored.
6 RESET# Device restart.