A opening and closing device 10 for sunroofs of an automobile, which has a pair of rails 17a and 17b, a lid 13 for opening and closing an opening 12, right and left cables 26 engaged to a lid 14 and arranged along the rails 17a and 17b, and a drive mechanism 36 for driving the cables in a reciprocating manner. The multicarrier signal comprises a plurality of subcarriers. A list of types of fonts of the specified characters is displayed.