A display media particle used for an information display panel having display media constituted of particles sealed between two substrates, at least one of which is transparent, for displaying information by moving the display media, is formed of a mother particle 32 made from materials including a base resin having child particles 33 added to a surface thereof. The signal transfer element and the resetting element are connected to the same electrode of the conversion element. A response file is output from the external apparatus based on transmission of the menu file, which includes the display adjustment item and value set in the second menu, and displaying of the image is adjusted in accordance with the set display adjustment item and value in the response file. Each of the register stack frames includes zero or more registers. A second end of each one of the products is heat-sealed, and each one of the products is then simultaneously advanced horizontally.