A display device to receive video information transmitted from a playback device and to display the video information, comprising: a first interface to communicate information with the playback device; a second interface to communicate information with the playback device; a display to display video information received by the first interface or the second interface; and a control section to: transmit a first connection confirmation signal to confirm connection, via the first interface to the playback device and receive a response signal in reply to the first connection confirmation signal; and transmit a second connection confirmation signal to confirm connection, via the second interface to the playback device and receive a response signal in reply to the second connection confirmation signal; characterized in that: the control section makes a function to use the first interface and the second interface between the display device and the playback device available if the response signal in reply to the first connection confirmation signal and the response signal in reply to the second connection confirmation signal are received, and displays a screen relating to a function which uses the first interface or the second interface between the display device and the playback device to the display. a first interface to communicate information with the playback device; a second interface to communicate information with the playback device; a display to display video information received by the first interface or the second interface; and a control section to: transmit a first connection confirmation signal to confirm connection, via the first interface to the playback device and receive a response signal in reply to the first connection confirmation signal; and transmit a second connection confirmation signal to confirm connection, via the second interface to the playback device and receive a response signal in reply to the second connection confirmation signal; characterized in that: the control section makes a function to use the first interface and the second interface between the display device and the playback device available if the response signal in reply to the first connection confirmation signal and the response signal in reply to the second connection confirmation signal are received, and displays a screen relating to a function which uses the first interface or the second interface between the display device and the playback device to the display. transmit a first connection confirmation signal to confirm connection, via the first interface to the playback device and receive a response signal in reply to the first connection confirmation signal; and transmit a second connection confirmation signal to confirm connection, via the second interface to the playback device and receive a response signal in reply to the second connection confirmation signal; characterized in that: the control section makes a function to use the first interface and the second interface between the display device and the playback device available if the response signal in reply to the first connection confirmation signal and the response signal in reply to the second connection confirmation signal are received, and displays a screen relating to a function which uses the first interface or the second interface between the display device and the playback device to the display. the control section makes a function to use the first interface and the second interface between the display device and the playback device available if the response signal in reply to the first connection confirmation signal and the response signal in reply to the second connection confirmation signal are received, and displays a screen relating to a function which uses the first interface or the second interface between the display device and the playback device to the display.