FUTABA 8FG SUPER Instruction Manual page 41

6. D/R function
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each condition.
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mentioned "Throttle/Pitch curve setting"
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Note: When using a GY601, GY502, GY520,
GY401, or other heading hold gyro, this
Pitch to RUD mixing should not be used. The
reaction torque is corrected by the gyro.
When operating the gyro in the AVCS mode,
the mixed signal will cause neutral deviation
symptoms and the gyro will not operate
normally.
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and speed of the main rotor during pitch operation.
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to rudder mixing.
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at idle. The action is not functional at high throttle
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binding.
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corresponding to each operation of each condition.
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