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    • 5. 发明授权
    • Audio-visual device
    • US11234045B2
    • 2022-01-25
    • US16335439
    • 2017-03-23
    • D&M Holdings, Inc.
    • Hiroyuki Uno
    • H04N21/436G06F11/07G09G5/00H04N21/442
    • Provided is a technology for supporting solution of a fault that has occurred in a system including an audio-visual device. A solution support program storage unit (7) is configured to store, for each potential fault, a solution support program for supporting a user's job for solving the each fault. At least one of the solution support programs for handling a fault having a plurality of possible causes includes processing for displaying a message for prompting the user to conduct a predetermined job, processing for displaying a question for the user, processing for receiving a user's answer to the question, and processing for displaying a message indicating a solution corresponding to the received answer. Then, a main control unit (9) determines a fault based on the information acquired through an audio-visual signal input interface unit (3) and an audio-visual signal output interface unit (4), and executes the solution support program for handling the determined fault.