The one thing Chas and I agree on is that most arranger keyboard players know very little about the OS and features that came with their keyboard. Fortunately, there are some great forums such as this one and the PSR Tutorial forum where you can get answers to your questions simply by asking.

All the best,

Gary cool
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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.)