FUTABA 32MZ-WC Full Manual page 163

This function adjusts the rudder left and right rudder
rudders. The amount of movement of the two
mounted rudder servos can be adjusted separately.
Two servos are operated with one rudder stick.
RUDDER 2
)
at Flying wing
(
RUDDER 1
at Flying wing )
(
＜ Model Menu (Airplane/Glider) ＞
163