Patent ID: 7313647

Claim:
A portable reproducing apparatus, comprising: a storage medium configured to store input data and auxiliary data associated with said input data; a reproduction unit configured to reproduce said input data read out from said storage medium; an operation unit provided on a main body of said apparatus; and a controller configured to select said auxiliary data according to an input from said operation unit and, upon receiving the input, reading out said input data associated with the selected auxiliary data from said storage medium, and transmit said input data to said reproduction unit, wherein said controller is configured to select forward auxiliary data upon receiving a manual rotational input to the operation unit in a first direction of a circular path around an imaginary rotational axis, the imaginary rotational axis being perpendicular to a main surface of said portable reproducing apparatus, and said controller selecting backward auxiliary data upon receiving a manual rotational input to the operation unit in a second direction, opposite to the first direction, of the circular path around the imaginary rotational axis.