Patent ID: 7200728

Claim:
An electronic apparatus comprising: a panel operator; a shadow storage that stores n sets of operation data for controlling operation of the electronic apparatus; an original storage that stores n sets of original operation data corresponding respectively to the n sets of operation data stored in said shadow storage; a current storage that stores operation data being currently used to control operation of the electronic apparatus and including a set of operation data as initial data selected from the n sets of operation data stored in one of said shadow storage and set current storage; a changing section responsive to operation of said panel operator, for changing contents of the operation data stored in said current storage and changing contents of a set of operation data of the n sets of operation data stored in said shadow storage that corresponds to the operation data stored in said current storage; a shadow recalling section responsive to operation of said panel operator, for selecting a set of operation data from said shadow storage, and writing the selected set of operation data into said current storage; an original recalling section responsive to operation of said panel operator, for selecting a set of original operation data from said original storage, and writing the selected set of original operation data into said current storage; and a saving section responsive to operation of said panel operator, for selecting a storage area in said original storage and a corresponding storage area in said shadow storage where a set of operation data and a corresponding set of operation data are stored, respectively, and saving the set of the operation data stored in said current storage to the selected storage areas in said shadow storage and said original storage.