a mode selector assembly for use in a tape recorder or the like is disclosed herein , for placing the tape recorder or the like into a selected operating mode by means of a rotating member upon the actuation of an actuator lever . the mode selector assembly includes a cam surface on the rotating member , interlocking device provided between the actuator lever and the rotating member for sliding movement with rotating movement of the cam surface , responsive to rotation of the rotating member and connecting means for connecting the actuator lever to the interlocking means . the actuator lever is shifted to its actuated position via the interlocking means in response to rotation of the cam surface immediately after the rotating member is rotated upon actuation of the actuator lever .