I got really tired of searching through 5 different manuals when trying to look up something, so I concatenated them into one PDF file. You can search all 5 files at once. ;-)   Combined Manuals   Included: Web_MZX500_300-ES-1A_EN.pdf  (USERS GUIDE BASICS) Web_MZX500_300-E-2A_EN.pdf (USERS GUIDE TUTORIAL) Web_MZX500APPEND-140-WL-1A_EN.pdf (APPENDIX) MZX_midi_imple_EN.pdf (MIDI IMPLEMENTATION) Web_MZX500_300-150-E-1A_EN.pdf (FIRMWARE VERSION 1.50 USER