UC Surface allows you to create and store a library of scenes. I would like to make changes to that scene offline and upload the changed scene to the mixer when I connect to the mixer. A scene is like a snapshot of your mix: It stores each Fat Channel parameter for every analog input, as well as each fader’s position, the aux and effects mixes, channel mutes and solos, etc. I can do this with other manufacturer's mixers. I should be able to do this with a PreSonus StudioLive.