FT24 User Manual V1.1
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8.2.2 R9M AST Mode
Plug R9M radio module into FT24 transmitter and switch the mode to “R9M ast”,
transmitter will start to communicate with R9M. And you can monitor information
such as signal strength, S.BUS / PPM signals, etc.
Mark: Among the external pins for radio module, pin VCC belongs to battery’s
positive end. Please mind the voltage, in case the hardware is burnt.