Patent ID: 11880627
Assignee: SONY GROUP CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 5:
6. A method for controlling a video signal output device, comprising:
outputting, by a signal output unit, a video signal to each of a plurality of multiple digital interface terminals of the video signal output device, wherein
each of the plurality of multiple digital interface terminals is connected to a multiple display device of a plurality of multiple display devices via a transmission path,
the plurality of multiple display devices configures a multi-display, and
the video signal includes user interface display information for a user to perform a video replacement operation;

controlling, by a control unit, replacement of a plurality of the video signals based on a video replacement operation signal sent from one of the plurality of multiple display devices via the transmission path;
performing control, by the control unit, to output the video signal corresponding to a screen configuration of the multi-display based on a setting operation signal of the screen configuration of the multi-display, wherein the setting operation signal is sent from one of the plurality of multiple display devices via the transmission path, wherein
the video signal includes the user interface display information for the user to perform a setting operation of the screen configuration of the multi-display,
a plurality of options of the screen configuration of the multi-display in the user interface display information is based on information regarding a number of display devices.