To simply and surely set many function with remote control.

The remote controller whose execution functions are set by an information processing unit, is provided with a display control means that displays functions executionable by the information processing unit on a display means 250a, a selection means that selects functions displayed on the display means and a transmission control means that transmits the function selected by the selection means to the information processing unit through a communication means altogether. Furthermore, the remote controller whose functions are set by the information processing unit is provided with a display control means to display function executionable by the information processing unit onto the display means 250a, a selection means that selects functions displayed on the display means, and a storage control means that stores the function selected by the selection means to a portable storage medium.