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6.4 GSM/GPS LED Indicator
6.4.1 Red LED indicator on: No GSM network signals.
6.4.2 Red LED indicator flash fast (one time each second): GSM Network
signal is normally, and tracker works under GSM mode.
6.4.3 Red LED indicator flashes slowly (one time each three second): Tracker
works under GPRS mode.
6.4.4 Green LED indicator on: GPS signal is normal.
6.4.5 Green LED indicator off: No GPS signals.
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
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