PIT On/Off:
Double-click the "KEY" button to turn on/off the PIT Mode. Red LED (PWR) off, PIT mode on; Red LED (PWR) on,PIT mode off.
Note:If tramp cable is connected, button will not work, can not adjust frequency and power, controller will take over.
BetaFlight only can accept 64 channels at most, so need to remove 2 bands before input to BetaFlight.