Roon EQ setting

Would I set the parmateric EX on my Imac and then operate from my Iphone ?

Yes, the EQ is handle by the Roon Core, the iPhone is operating as a [simplified] Roon remote.

Dsp/Eq are set by zones. They are stored in the server but can be configured from any Computer or Tablet connected to the core. Not possible with a phone remote.