Yamaha PortaTone PSR-400 Owner's Manual - Page 5
Browse online or download pdf Owner's Manual for Electronic Keyboard Yamaha PortaTone PSR-400. Yamaha PortaTone PSR-400 47 pages. Yamaha electric keyboard owner's manual
Also for Yamaha PortaTone PSR-400: Owner's Manual (48 pages), Owner's Manual (48 pages), (German) Bedienungsanleitung (48 pages)