Just to make it easy for you, here are all the changes in version 4.0a:
1) The writing "Fill4" is changed to "Break" in the menu vocalizer to arranger
2) Record song now records also the bass sustain
3) Search song directory with more then 20 midifile with the same initial character, by pressing value + or - now shows the following pages
4) The functions HOLD e LEFT DRUM are added to the foot switches
5) Possibility to load sound banks till 16 MB
6) When starting with song recording , now the keyboard transopse is cleared
7) Using the sequencer , by pressing PAGE + and - contemporary , the tempo is shown
8) The selection of single registration by footswitch now is possible
9) Saving "DYnamic ARRANGER" in "POWER ON SETUP" now is possible.
10) In "SONG PLAY" and "JUKE BOX" the file list is automatically repositioned
11) In the song record the left balance is now discarded because the song balance has the same function
12) Saving of "POWER ON SETUP" on the disk is now possible in the file "POWER.PON"