Creating a fixture on Nomad PC

I am trying to create a fixture I just purchased so I can start learning its functions in time for an upcoming event just in case ETC is not able to get it ready in time. The fixture is a next model. The last model has some same parameters and some different ones, as well as more numbers of parameters. It is in the library. Soooo I made a copy of the last model then edited that copy. Problem is there are gray items such as Color Wheel Mode, Gobo Wheel Mode, etc. that cannot be deleted at all. Because I inserted parameters they ended up at the bottom. There are also a couple of places in the Size and DMX columns that are gray and cannot be changed.

How do I deal with that?

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