Optical disc reproducing apparatus having displayed mode control key functions which are controlled by detection of the type of disc being reproduced

Claim 1

An optical disc reproducing apparatus comprising: optical disc reproducing means for reproducing an optical disc on which only audio digital information is recorded or an optical disc on which non-audio digital information is recorded in addition to the audio information, a pointing device for generating a command signal corresponding to one of a plurality of operational modes of the optical disc reproducing means in response to a selection input by a user of the optical disc reproducing apparatus, provided with an X-Y device and trigger buttons, display means provided in the pointing device for indicating the operational modes which can be selected by the pointing device, disc discriminating means connected to the optical disc reproducing means for discriminating the type of the optical disc being reproduced by the optical disc reproducing means, reproduction controlling means connected to the pointing device for designating the operational modes which are selectable by the pointing device depending on the type of the optical disc designated by a discriminating output of the disc discriminating means, the reproduction controlling means, upon receipt of a command signal from the pointing device, controlling the operation of the optical disc reproducing means to perform a selected operational mode, and display controlling means for changing the display on the display means depending on the type of the optical disc designated by the discriminating output of the disc discriminating means.