| 摘要 |
The operating device according to the invention comprises: . a footrest board (8) supported by a supporting structure (11) which is independent of the piano (5) and provides support for at least one foot (9) of the person, . and at least one system (14) for operating a pedal (4) of the piano comprising a pedal pivoting member (15) whose movement is guided and which rises above the board (8) in order, when the heel (91) is resting on the board and the front part (92) of the foot is in contact with the pedal pivoting member, to enable the pedal to be pivoted by a rotation of the foot. <IMAGE>
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