#760#user password##
Cancel the electronic fence
223+user password
Turn on the fuel/power cut-off function
233+user password
Turn off the fuel/power cut-off function
#901##
Read the user parameters
After the instruction is sent, the terminal returns the following message:
#center number#password#user name#user password#preset number 1#
preset number 2#preset number 3# preset number 4#IMEI number##
e.g.:
#134xxxxxxxx#0000#13900139000#0000#@134xxxxxxxx
####356823032080264##
#902##
Read the GPRS parameters
#mode#sampling time#number of samples@APN#APN user name#APN
password#IP#port##version number
e.g.:
#5#0#0@CMNET###121.9.206.148#30000##2011/09/02 18:36
810_V1.XX
#904##
GPRS connection
#905##
GPRS disconnection
#920##
Voice switching instruction
After the instruction is sent, the terminal can switch between English and
Chinese
