capture to Color Source 20 av

Hi!
I have a dilemma. I am trying to control fixtures in Capture. I can't get it to work.
So I have ColourSource software (20av) so I can use sACN. (I could not find the network on CS20). The network are the same in both CS20av and Capture but it doesn't show up under Universes in external universe. There it just says (auto) or (no). What have I done wrong or have I missed something?
It is my very first time that I am connecting a visualisation program to a lighting console. Please help!
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