I see in the manual now that you can go into more detail tone editing. I would have read this, but for the last few days I could not get any manuals to load from the Roland site, which is why I posted the question in the first place. Today I was able got get the manuals to open. I also see the GW-7 has more detailed tone editing as well.
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.