Provided is an audio-video processing apparatus having significant operability. The first electronic device (100) includes a state information sending unit (105) that sends, to a second electronic device (200) being the audio-video processing apparatus, a state information indicating a state of the self electronic device. The second electronic device (200) includes: a second manipulation item information storage unit (202) that stores one or more pieces of first manipulation item information, each of which includes item information indicating an item in a manipulation menu and operation instruction information that is information instructing the first electronic device (100) to perform a specified operation corresponding to the item; a state information obtainment unit (203) that obtains the state information from the first electronic device (100); a manipulation menu display preparation unit (204) that displays a manipulation menu based on one or more pieces of manipulation item information stored in the second manipulation item information storage unit (202), depending on the state information obtained by the state information obtainment unit (203).