Patent ID: 6864921

Claim:
A display control system comprising: screen means for forming a screen by a plurality of display units each displaying a part of an image; video signal processing means for generating a post-video processed signal to be displayed by said plurality of display units from an input video signal, and then supplying the post-video processed signal to said screen means; display means for schematically displaying said screen means as a display area based on display information including position information of the plurality of display units forming said screen means and for displaying a state of the display information of said video signal with respect to said display area as an image area; control means for controlling the state of display of said image area, wherein based on a result of the control, said control means generates control information for controlling a state of display of the image displayed on said screen means, and then said video signal processing means generates the post-video processed signal based on said control information and supplies the post-video processed signal to said screen means; and pseudo image display means for spuriously displaying a display image reflecting a result of the control of said control means, wherein said pseudo image display means includes property display means for displaying properties of the display image displayed on said screen means, and said property display means selectively displays the properties of a type of the video signal, including a video specification and a broadcast system.