ION xe questions

I'm new the the IOn xe and so far I'm fairly happy with it. Two questions. I had assumed (coming from the Element here) that the fader wings would be versatile in that they could function separately. One could  be on submasters while the other was showing channels. I guess this was a dumb thing to assume. It just seemed like an obvious advantage to me. Is this possible?  Second question. Holding down the fader page button and clicking a bump button to switch between channels and submasters is tedious and clumsy when you need to get the job done quickly. Anyone know of a quicker way? 

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