I am drawing a schematics in Altium designer. I have several schematics (sheets) in my current project. Some of the components have already a designator numbers like R5, C20, L13 ... etc.

But some new components does not have yet, and it is like R?, C?, L? ...etc.

My question: How to make numbers to these new components ? Can one assign numbers to all these components at once ?

  • 3
    \$\begingroup\$ Tools->Annotate Schematic; And Tools->Board Level Annotate. Google or the Help function can tell you more. Too lazy to type it all out right now. \$\endgroup\$ – Asmyldof Feb 26 '16 at 13:00

The easiest way to annotate just the new components is to go to Tools -> Annotate Schematics Quietly and click Yes.

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