However, a memory which stores the data shown in FIG. 5 may be provided in another apparatus such as a server, a computer or the like, so that the stored data can be appropriately accessed under thecontrol of the controller unit 110.The nonvolatile memory shown in FIG. 5 (provided in the controller unit 110 shown in FIG. 1) has the size of 128 bytes, and the option function flag according to the p