1. A multitrack recorder having a plurality of tracks and capable of recording and reproduction for every track, comprising: a display unit; and a control unit for displaying information on each of the plurality of tracks on the display unit, wherein: the control unit displays on the display unit a track information image indicating information on a corresponding track with respect to each of a predetermined number of tracks, and displays first number images indicating respective numbers of some of the tracks displayed so as to be associated with the respective track information images corresponding to the some tracks irrespective of states of the some tracks, and further temporarily displays, when a focused track is generated among the tracks displayed, a second number image indicating a number of the focused track so as to be associated with a track information image corresponding to the focused track, the second number image is displayed in a manner such that at least one of a size, a position, and a color is different from that of the first number image, the plurality of tracks are grouped into blocks for every predetermined number of items, and only a number of a representative track among tracks included in each block is displayed for every block as the first number images.