PS: the ProPedal knob should NOT be adjusted on-the-fly. It should only be adjusted while in a stationary position.

注意：一定要确保每次调节后要把旋钮按下以固定其位置。

youdao

PS: the ProPedal knob should NOT be adjusted on-the-fly. It should only be adjusted while in a stationary position.

注意：一定要确保每次调节后要把旋钮按下以固定其位置。

youdao