Directly in Butterfly menu you can fine tune all braking travels through one proportional control (stick, knob or switch). The values you set in this screen are added/subtracted to the appropriate butterfly throws. The way these values influence servo deflections depends on the position of the butterfly control stick and the position of the butterfly Tuning control. The fine-tune function can’t be used without setting the throws for ailerons and elevator.


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The "F3 Apply” button operates similarly as in the Aileron Differential menu. If you press this button, the values set in the "Butterfly Tuning” menu are copied into the appropriate travels in the "Butterfly Ailerons/Flaps/Elevator Adjustment” menu. After that, all values in the Butterfly Tuning menu are initially set to zero (so that the tuning control no longer has an effect).