A CLI description language is implemented to define a set of command keywords and arguments forming CLI description files. The set-top box retrieves a user-defined content list, associated with the user, when the channel input is determined to be a double-click channel input, and tunes to a channel associated with the retrieved user-defined content list. 1 parts by mass based on 100 parts by mass of the xylylenediamine; and a method for producing a polyamide resin including the steps of introducing a diamine containing xylylenediamine, a dicarboxylic acid, and bisamine in an amount of 0. The pivot plate lies in covering relation to the channel so as to retain or close the spring in the channel.