Eelink GPT19, Руководство пользователя

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Turn on the light sensor, it will start Light Alarm,
Turn off the light sensor to close this Alarm.
Power on device and move device to outdoors to
make sure GPS signal is good.
4.2 LED Indicators
The RED LED flickers fast (every second) when
device is searching for GSM network, it flickers
Slowly(every 5 seconds) means device has
registered the GSM network successfully.
The BLUE LED flickers fast (every second) when
device is searching for GPS satellite signal, it
flickers slowly (every 5 seconds) means device has
searched the satellites and can be positioned.