8
Note:
●
Please power off device before installing or
uninstalling SIM card.
●
Open SIM’s traffic transmission to send data.
●
If the PIN code of SIM card enable, please use
your mobile phone to disable the PIN code.
●
Please make sure SIM card has sufficient
balance.
Ⅳ. Test & Installation
4.1 Power on/off
After SIM installation, Turn on/off the power switch,
device will power on/off.
4.2 LED Indicators
The
Red LED
flickers fast when device is searching
for GSM/Cat M1/Cat NB2 network, it flickers slowly
when device has registered network successfully.
The
Blue LED
flickers fast when device is
searching for the Positioning satellite signal, it
