Yamaha PortaSound PS-300 (Spanish) Guía Para Tocar - Page 7
Browse online or download pdf (Spanish) Guía Para Tocar for Electronic Keyboard Yamaha PortaSound PS-300. Yamaha PortaSound PS-300 14 pages. Yamaha musical instrument owner's manual
Also for Yamaha PortaSound PS-300: Playing Manual (15 pages), Playing Manual (14 pages)