I'm new to Korg instruments, but so far with all i've seen and heard i'm very very impressed.
Read the owners manual which you can down load from Korg UK.

Also have a look here if you are interested further in the PA1XPRO by korg
http://awarenessengine.co.uk/phpBB2/viewtopic.php?t=126&sid=e175f542716e3005b370c92d92e3d5c9

All the best

Peter