Patent ID: 8891302

Claim:
An electronic equipment, comprising: a writable non-volatile memory for storing an operation parameter group to operate the electronic equipment; an input unit to which a setting signal to set the operation parameter is to be inputted; a plurality of first volatile memories for storing respective plurality of the operation parameters with a different address from one another; a plurality of second volatile memories for storing respective plurality of the operation parameters with a different address from one another, respective plurality of the operation parameters in the second volatile memories being different from respective plurality of the operation parameters in the first volatile memories; a first enable output unit for outputting an Enable signal which enables the input unit to write the operation parameter to the second volatile memory by inputting a first secret code from the input unit; a sequencer for reading and writing the non-volatile memory; a second enable output unit for outputting an Read Enable signal to the sequencer by inputting a Read command and a second secret code from the input unit, the Enable signal allowing an operation parameter stored in the non-volatile memory to be read out to at least the second volatile memory; and a third enable output unit for outputting an Write Enable signal to the sequencer by inputting a Write command and a third secret code from the input unit, the Enable signal allowing an operation parameter stored in at least the second volatile memory to be written to the non-volatile memory.