A television broadcast receiver has an operation section including up, down, left, and right cursor keys and a function of displaying an operation guide composed of contents of a plurality of pages. In the television broadcast receiver, in a state in which contents of an arbitrary page among the contents of the plurality of pages composing the operation guide are displayed, a function as a key for changing a displayed page to a previous page is assigned to a first key which is one of the up, down, left, and right cursor keys, and a function as a key for changing the displayed page to a next page is assigned to a second key which is one of the up, down, left, and right cursor keys and which is other than the first key.