Heacent TK103A - Turn on the Tracker Device; GSM;GPS LED Indicator; Initialization; Change Password

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6.3 Turn on the Tracker Device.
6.3.1 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 GSM/GPS LED Indicator
6.4.1 Red LED indicator on: No GSM network signals.
6.4.2 Red LED indicator flashes 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