He means: Utilities-->User Grid Systems...
As far as I remember, you do not need to set anything special in Design.
Just add your grid in the drawlist once in Draft....
Are you talking about Aveva Plant or Aveva Marine?
By the way....Croatia territory is managed by Aveva Italy.
Why don't you contact us through "official" channels?
You can write your emails to [email]SUPPORTPLANT.ITALY@AVEVA.COM[/email]
We will be more than happy to help you!