A20 User Manual
5.2 LED Indicating Lights
5.2.1
Battery (green)
Function: Power Indicator.
1)>60%, green light is on without blinking.
2)40% ~60%, flash one time for every second.
3)20% ~40%, flash two times for every second.
4)10% ~20%, flash four times for every second.
5.2.2
Satellite (green or red)
Function: Display the number of satellites tracked by A20.
1)While blinking in red, indicating that A20 is searching the signals of satellites.
2)While blinking in both red and green, the times that the light blinks in green shows the
number of satellites tracked by A20.
5)<10%, A20 speaks to you.
5.2.3
Link (green)
Function: Differential Signal Indicator.
1)OFF: no signals transferring.
2)Blink regularly: normally sending or receiving signals.
3)Blink unregularly: unreliable in difference link.
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