| 摘要 |
A measuring instrument has first and second memories for storing measured data. A display displays the measured data stored in the first memory. When a new measured data is obtained in the measuring instrument, the measured data is written in the first memory. The old data measured prior to the new measured data is transferred from the first memory to the second memory before the new measured data is written in the first memory. When a data restore command is given, a data relocation is carried out between the first and the second memories.
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