Display control method, and display apparatus and display system using the same

摘要

A display control method, and a display apparatus and display system using the method are provided. The display control method includes detecting a command to change to multi-screen display mode, and displaying a video corresponding to a video signal having a resolution changed according to the size of a split screen of a display on the split screen, if the command is detected. Therefore, it is possible to change a resolution of a video to a resolution most suitable for display on the split screen.