Concox smartracker GT350 User Manual page 5

4.2 Set SOS number
Use your APP , GPS tracking platform or SMS to set
SOS number (SMS only valid at tracking mode), SMS
command:
1, Add SOS number: SOS,A, number 1, number 2,
number 3#
2, Delete subjected sequence of SOS number:
SOS,D,number sequence 1, number sequence 2,
number sequence 3#
Example: SOS,D,1,2,3#
3, Query SOS number: SOS#
Respond example: SOS1: 12352***, SOS2: 132532***,
SOS3:135323***
4.3 Working mode description:
Working mode can be set by APP , Tracking platform
or SMS command.
1, Power saving mode is Default, Send one GPS
location every 60 minute and then go back to sleep.
SMS command format: WORKMODE,2,T#
Description: 2 means Power saving mode, T means
time interval; (interval range: 10-7200 MINUTES )
Example: WORKMODE,2,30# means upload one
GPS position every 30 minutes.