1. A player for generating audiovisual display signals from a pre-recorded medium, comprising: an optical pickup assembly reading first data recorded on the medium in a first format and for reading second data recorded on the medium in a second; a drive mechanism producing relative movement between the medium and the optical pickup assembly; an input circuit receiving a permission signal and for generating an enable signal upon receipt of the permission signal; a circuit device processing first data read by the optical pickup assembly into display signals and for selectively processing second data read by the optical pickup assembly into display signals only upon receipt of the enable signal; and an output device supplying the display signals to an output terminal.