| 摘要 |
PURPOSE:To simplify work at the time of setting versions changed for improving and correcting software of each unit to the device as a parameter by setting the change of versions that follows the change of programs in a specified data area of a ROM. CONSTITUTION:A change of versions that follows the change of a program 3 is recorded on a data area 2 by codes such as numerals, alphabet, etc. at the time of preparing the program. The change of the program and the change of the version can be made simultaneously by replacing a ROM having the program 3 and data area 2 in the device. On the other hand, when impressing the version No., a version after changing the ROM can be known by reading the data area 2 of the ROM1 at all times.
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