No answer from Ketron yet, but there's some good news as they've released an 1.2 OS update.
Will upgrade tonight, and I'll keep you posted about it's efficiency.
MidjPro Elettronic Module
News - RELEASE 1.2
-Increased compatibility of Chords data event contained on the midi file
-Improved transposer features on audio + midi files
-Optimizing management polyphony and playing midi files
-Improved reading Lyrics Mp3 files ID3 format vers.2.4
-Improved reading MP3s low resolution
-Improvements on the management Disk menu
-Optimized alphanumeric keypad and management of Search feature
-Improved synchronization TXT file
-Optimized file compatibility. KAR (also on Playlist)
-Improved reading of MP3 DJ menu (BPM and more)
-Menu optimization on Juke Box and SFX section
-Added autorepeat FILL1,2,3,4, BREAK1 2,3,4, on footswitch .
-Optimization of Pianist, Bassist Functions with Sustain Pedal
-Various implementations and improvements on Accordion and Registration Menu
-Further improvements on Arranger Section plus expanded compatibility Styles
on previous products by Ketron.
-Increased overall volume Wave and Mp3
-Enabled User Voices loading on power start up
-Several improvements on Transposer menu.
-Remote Keyboard Usb now directly connected to the instrument.
-Improvements on video formats compatibility
-Implemented Backup and Restore of: Playlist, My Folder and System Setting (Internal saving of Arabic,Preset, Footswitch,Midi ,Registration info)
-Improvements on Voicetron menu
Have a great weekend, folks!