Though I'm not the voice of experience by any means, here's a link to those that are, all the instructions are detailed and easy to follow. I agree, the manuals are a joke. Take a look at
PSR-Tutorial and those questions will likely be answered. Though the lessons were set up for the PSR series of boards, much of the information also applies to the Tyros as well.
Hope this helps,
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)