I-Trac A1 User Manual page 9

Open the power off alert Command: 011 + user password
eg: 0110000
Reply: POWER ALARM ON
Close the power off alert Command: 010 + user password
eg: 0100000
Reply: POWER ALARM OFF
8.8. Over speed Alarm
Command : 122+user password+space+X
Eg: 1220000 120
Reply: SET RATE LIMIT:120
Close command : 1220000 0
Note : X is speed benchmark value, which is an integral number. unit is KM/H
with defined domain of [0, 999].
8.9. Set Defence Alarm ON/OFF
Set Up Defence: 712+password
Eg: 7120000
Reply: SF OK
Set Down Defence: 713+password
Eg : 7130000
Reply: CF OK
8.10. Sleep Mode
Turn on sleep mode:
SLEEP+user password+space+X
X means sleep time, from 1-720, in the unit of minute. If device not receive any
command or move at the X time you set, device will close GPS,GSM module,
and be in power saving mode.
Eg: SLEEP0000 1
Reply: SET OK
Turn off sleep mode:
SLEEP+user password+space+0
Eg: SLEEP0000 0
Reply: SET OK
8.11. Set Access Point Name (APN)
Command1: 803+user password+space+APN
Eg: 8030000 CMNET
Command2: 803+user password+space+APN+space+APN user
name+space+APN Password
E.g:8030000 CMNET chinamobile 223344
Reply: SET GPRS APN OK