FUTABA 12FG Instruction Manual page 41

pitch interaction
The swash mix function is used to correct the
swash plate in the aileron (Left/Right Cyclic)
and elevator (Forward/Aft Cyclic) direction
corresponding to each operation of each condition.
*If throttle mixing is necessary for a compensation for
slowing of engine speed caused by swash plate operation
during aileron or elevator operation, please refer to the
THROTTLE MIX function, p.113.
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