| 摘要 |
PROBLEM TO BE SOLVED: To arbitrarily change over the displaying of units from one unit system to another unit system. SOLUTION: When a display by a conventional unit system is instructed by the operation of an instructor 34, data of the plant information area and unit area of a plant information database 46 are selected and images conforming to the selected data are displayed on CRT display parts 20, 32. At this time, an operator can perform an operation and a leaning in units conforming to the conventional unit system. Next, when the display by an international unit system is instructed by the instructor 34, data of the posttransformation plant data area and the posttransformation area data of the plant information database 46 are selected by an output unit changeover processing part 48 and images conforming to the selected data are displayed on the CRT display parts 20, 32. At this time, the operator 24 can perform the operation and the learning in units conforming to the international unit system. |
