Yamaha PortaTone PSR-40 (Japanese) Owner's Manual - Page 9

Browse online or download pdf (Japanese) Owner's Manual for Electronic Keyboard Yamaha PortaTone PSR-40. Yamaha PortaTone PSR-40 28 pages. Yamaha musical instrument owner's manual
Also for Yamaha PortaTone PSR-40: Owner's Manual (17 pages), Owner's Manual (16 pages)