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If the reference number is attached when copying the selected item, reference value will be changed based on this setup.
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If a check is removed, a reference number remains as it is.
Please input directly the value besides the range of a spin button.
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When the selected item has plurality or an undecided parts number, it does not change.
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It can change also by +-key of a ten key. 
Change of a pin name is Shift key and +-key of a ten key.
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The portion of a number is lost when the number portion of a character sequence is subtracted.
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