Bebop... The solution is to use the Session Manager software program available at roland-arranger.com.

You can copy a split point choice as a batch process to as many or as few (or, of course, all!) of your UPGs and OTSs as you want. Then the only split points you can't over-ride are the EASY SETTINGS presets.

But within the E80, you have to do each one by hand... FAR quicker to use Session Manager, plus it also adds several other new features to the E80 (Patch storage, for instance, along with Tone edits, EQ and MFX settings to drag and drop into UPGs.

Download it, you won't regret it...!
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An arranger is just a tool. What matters is what you build with it..!