| 摘要 |
PROBLEM TO BE SOLVED: To exclude adverse effects caused by performing a memory operation by an unspecified means. SOLUTION: When a file writing operation to a memory 42 is performed from an operation panel 60, a microcomputer 56 issues three commands such as a Write protect release command, a file write command and a write protect setting command to a controller 40. In addition, when a file deleting operation to the memory 42 is performed, the microcomputer 56 issues three commands such as an erase protect release command, a file deleting command and an erase protect setting command to the controller 40. |
