Patent ID: 7420621

Claim:
A video and audio signal output device comprising: a decoder for decoding video signals and audio signals; a storage device for storing video signals of a display image of information about the video and audio signal output device itself; an on-screen display unit (hereafter referred to simply as “OSD unit”) for superimposing the video signals of the display image of the information about the video and audio signal output device itself, stored in the storage device, on the video signals decoded by the decoder so as to form combined video signals; a microprocessor for controlling the video and audio signal output device in its entirety; an operation unit to be used by a user for giving various commands to the microprocessor; a video signal output terminal for outputting the video signals decoded by the decoder or outputting the combined video signals including the video signals superimposed by the OSD unit; and an audio signal output terminal for outputting the audio signals decoded by the decoder, wherein the video and audio signal output device is connected to a display device, wherein the video signal output terminal is a VGA (Video Graphics Array) terminal or a BNC (Bayonet Neill Concelman) terminal each having output terminals of red (R), green (G) and blue (B), wherein the display image of the information about the video and audio signal output device itself contains a terminal connection information image for displaying, on the display device, color images corresponding to output signals from the respective output terminals of red (R), green (G) and blue (B) in the VGA terminal or the BNC terminal, and wherein when the user commands the microprocessor, using the operation unit, to output the information about the video and audio signal output device itself to the display device, the microprocessor outputs the combined video signals, including the video signals superimposed by the OSD unit, to the display device via the video signal output terminal.