AD原理图出DNP标志怎么处理？

请问一下大家，图片中出现的红叉（DNP）是什么意思?在AD中如何放置这个标志?还请各位大神答疑解惑，谢谢！

那就是不焊接的意思。
为了后期调试方便

I use Cadstar and the variant manager in that shows the variant components in the schematic on screen as well as printed.
Where users don't have the variant manager I recommend using and attribute (or variable) that you can attach to the part to illustrate its non fitted status, also this attribute can be used during BOM creation to exclude non fitted components from the BOM.

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