A multi-display system is provided. The system includes a plurality of display devices that each display a partial image being at least a part of an original image of a screen. Each of the plurality of display devices include a plurality of signal input channels that are each provided with an input terminal for receiving image information about the original image or the partial image, and are each set in accordance with a signal format of the provided image information; an input channel selection section that selects any of the signal input channels in accordance with a predetermined control command, and makes an input of the image information via the selected signal input channel; and a display control section that applies, in accordance with the predetermined control command, predetermined image processing to the received image information, and makes a display section display thereon the partial image.