| 摘要 |
PROBLEM TO BE SOLVED: To prevent errors in OFF setting and ON setting. SOLUTION: Every time a function key is operated, a display mode is cyclically shifted as (a) a present pressure display mode for displaying a measured value at a display part→(b) an OFF setting mode for setting the OFF setting for turning a switch OFF→(c) an ON setting mode for setting the ON setting for turning the switch ON→(a) the present pressure display mode. In the OFF setting mode (b) or the ON setting mode (c), at the time of operating an up key for increasing the setting or a down key for decreasing it, whether it is the high cut mode of the OFF setting > the ON setting or the low cut mode of the OFF setting < the ON setting is alternately displayed with the corresponding setting. Thus, an operator recognizes an operation mode at a glance and the setting errors are prevented.
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