No. (Hex.) Name Description Default (Range) C4-19 (0B8D) Expert Torque Ripple Suppress Min Freq If there is slow oscillation at low speeds, adjust this setting. Usually it is not necessary to change this setting. 0.1 Hz (0.0 - 10.0 Hz) Note: Set C4-20 [Voltage Compensation Adjust 1] ≠ 0 to enable this parameter.