This manual covers the basic operation of the Yamaha PSR‑E303/YPT‑300 portable keyboard, including power‑on procedures, key functions, and performance controls. It also details system settings such as GM System Level, XGlite, and Touch Response.
Additional sections explain MIDI connectivity, master volume control, and maintenance tips. Reference URLs for Yamaha support and the Yamaha PK Club are provided at the end of the document.
GM System Level 1 is a selectable system setting described in the manual.
XGlite is a feature of the keyboard mentioned in the manual.