Yamaha PortaTone PSR-70 (Japanese) Midi Handbook

Browse online or download pdf (Japanese) Midi Handbook for Electronic Keyboard Yamaha PortaTone PSR-70. Yamaha PortaTone PSR-70 16 pages. Yamaha digital entertainment keyboard mini hand book
Also for Yamaha PortaTone PSR-70: Owner's Manual (37 pages), Owner's Manual (36 pages)