By pushing the registration switch of a main controller, a radio signal for requesting the transmission of a terminal-device ID number is transmitted. The method includes steps for manufacturing a storage capacitor of a pixel region that has a structure of a first storage capacitor and a second storage capacitor stacked on top of the other and connected in parallel with each other. A process when actually accessing a \u2018synchronous object\u2019 that does not contain the data value same as in program’s sequential run gets blocked till the right value is received. to also be used as a hand held device. The redirector modifies the document and returns the modified document for viewing by the user.