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F4 flight controller (1S) - user guide

 

 

 

 

status LED

There are 3 LEDs on the bottom of the board to indicate the status, including Receiver LED ( Green), FC Status LED ( Red ) and FC Power LED ( Blue ). 

LED

Status

Description

Receiver LED ( Green)

Solid

Connected or in bind mode

Receiver LED ( Green)

Flashing

Not connected

Power LED ( Blue )

Solid

Power on

Status LED ( Red )

Solid

Motor Armed


receiver configuration

in BetaFlight, configure as FRSKY_D receiver (aka Frsky D8 mode) or FRSKY_X receiver (aka Frsky D16 mode) in SPI RX mode.

 

 

antenna orientation
for best reception, point the antenna upwards

 

 

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