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silkscreen ref des text - how does one edit it and add it in layout? using 16.2

K2J4

I'd like to change the size of the text (TEXT BLOCK#) on my silkscreen ref des layer.  Despite the layout tool telling me it cannot be changed, can it be changed?  To edit the text size, does this edit need to be accomplished on the part in the library, then delete the component in the layout and then re-place the component?  Or is there a way to do this in the layout tool?

Also, there are a couple of parts where the ref des silkscreen is gone.  I know this happens in Mentor Expedition (these mysteriously disappear and then reappear on a reboot).  Perhaps I accidently deleted these.  How do I recover those that have disappeared?

 Thank you in advance.

  • redwire

    Edit->Change

    Set find filter to text
    Set options box to Text block of your choice (no other check boxes set)

    Click away...

    You can set the text sizes in the text block setup screen

  • EvanShultz

     You can recover ref des silkscreen using Place > Update Symbols. Check the symbol(s) with the missing ref des from the list and then hit the Refresh button.

  • K2J4

    Yes, both of these worked beautifully.  Thank you for your help.  I knew it could be done but I've been away from Cadence Allegro for about 3 years - used Mentor Expedition during this time - but I'm glad to be back using Allegro.

    Thank you!

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