A method of arranging a packet in a wireless communication system includes a preamble sequence and a data sequence. The mobile platform is additionally adapted to have a reduced vulnerability to hostile detection and aggression. Film formation occurs only in the photoirradiated region, so that the film formed has a pattern corresponding to the pattern of the radiation. When in the first configuration, the second inputoutput node follows the first inputoutput node. DPS\u201d that describes a print function executable by the printer to the image supply device in accordance with the determination result.