Here is the Korg Pa1X Manual:
Pa1X .pdf Manual Check it out. You may find your answer in its contents Mike. PS: It is recommended you have a Broadband connection such as DSL or Cable before trying to download the .pdf Manual file. If you're on dial-up your in for a long wait as the .pdf file is over 20 Mb's.
Fire off an email to Korg UK: info@korg.co.uk Somebody might just reply to your inquiry.

Here is a list of Features and Specs on the Pa1X/PRO:
Pa1x/PRO Info and Features Korg Pa1X/PRO Specifications Maybe somebody with a Pa1X/PRO will also get around to answering your questions with more certainty soon.
In the meantime you have some things to go on to hopefully help in your search.
Best regards,
Mike
[This message has been edited by keybplayer (edited 11-28-2004).]