摘要 |
The parameter display part comprises a single upper-hierarchical parameter screen displaying only a selected parameter and a number of lower-hierarchical parameter screens corresponding to respective units displaying all parameters for the respective units, and switchably displaying. When selecting a parameter to be displayed on the upper-hierarchical parameter screen, moving the cursor to the parameter on any of the lower-hierarchical parameter screens and pressing the function key to select a display, the selected parameter is displayed on the upper-hierarchical parameter screen. When the parameter is selected again, the function key is pressed, and the display on the upper-hierarchical parameter screen is canceled
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