I would load keyboard sets also so you don't have to redo them in songbook and in user styles. In fact I would load them first. Then when you load user styles your keyboard sets will or should be fairly correct.
Good luck with your new pa1000. Love mine a lot.I will help all I can if you need it but if you've had 2 4x you should be fine.
MEL
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KORG PA1000, KORG PA900, 2 BOSE S1 PROS, 2 BOSE L1 COMPACTS, YAMAHA STAGEPAS 500, ROLAND VP7