User manual

2 Overview
2.1 Introduction
2.2 LED Indication
2.2.1 Red LED（power/working status indicator）
Status
Meaning
Quick flashing
Low battery
Slow flashing
Fully charged
Continuously in bright
Charging
Continuously in dark
No battery/troubleshot
2.2.2 Blue LED (GPS signal indicator）
Status
Meaning
Quick flashing
Searching GPS signal
Slow flashing
GPS signal has been acquired
successfully
Continuously in dark
GPS stops working