Peripheral control system, a display device, and peripherals

Provided is a peripheral control system which enhances expandability in the operation of peripheral by enabling the customization and display of operation panels for each of the peripherals, regardless of whether any operation panel exists at the display device side. The peripheral control system is configured by connecting a TV (20) and a recorder (10) via an HDMI connection. The TV (20) has, stored therein, operation panel information that includes array information for arraying, on the screen, image data of the operation buttons that comprise the operation panel of the recorder (10). The recorder (10) has stored therein image data of the operation buttons, and sends, according to operation panel information obtained from the TV (20), the aforementioned stored image data of the operation buttons in association with the array information thereof, to the TV (20). The TV (20), upon displaying the operation panel of the recorder (10), disposes and displays image data of the operation buttons sent from the recorder (10), at a position that is in accordance with the array information.