Yes, I did read the manual and it lack some info; like some of the options in the SD card config files, or what the other 2 txt files in the root of the card does (I assume one is just for reference about which bank was last used, and the other is an "about" file).
For the sound fonts I did find a site that has a lots of various sounds, so it is a matter of patiently trim them in audacity and see if they work
Bookmarks