Bill,
There is a fingering mode known as FULL, which allows you to use the entire keyboard as a piano, sax, etc, and still have the benefit of arranger styles. On the 2000, press Function, Chord Fingering, the select full. You'll need at least three fingers used with your left hand to activate the chord changes, however, you can work all over the keyboard and do lots of neat things.
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.)