User's Manual

locked. The SMS format must be TXT format, and can’t recognize the PDU format.
6.3 Turn on the Tracker Device
Connect the positive and negative wire, red and black ones, with 12V or 24V car power
system, wait for 1 minute after connecting power to wait tracker works normal, and
then turn on the backup battery switch.
6.4 WCDMA/GSM/GPS LED Indicator
LED Indicator Type Behavior Meaning
Red LED
ON No WCDMA/GSM signal
Flash quickly, 1 time
per second
SMS mode with good reception
Flash slowly, 1 time
per 3 seconds
Internet (GPRS) mode
Green LED
ON Fix to satellites
OFF Lost fix to satellites
6.5 Initialization
Send SMS “begin+password” to the unit, it will reply “begin ok” and initialize all the
settings to default factory settings.（default password: 123456）
For example: send SMS “begin123456”, it will reply “begin ok”. (No quotation marks“”
when sending all the SMS)
6.6 Change Password
6.6.1 Send SMS “ password+old password+space+new password” to the unit to change
the password.
For example: send SMS “password123456 888888” to the unit. If succeeded,
“password ok” will reply to your cell phone from the device tracker.
6.6.2 Be sure to keep the new password in mind, you have to upload the software to restore
the original setting in case of losing the new password.
6.6.3 Attention: Make sure the new password is in 6 digits Arabic numbers, or else the
tracker cannot recognize the password.
6.6.4 When reading this user manual, you will notice that we have used "+" and "space"
between some words;"+" between two words means they should be written together as
one word and "space" between two words means you should leave one character space