Congratulations on your purchase of the Yamaha PortaSound PSS-290. This manual serves as a guide to help you make full use of the instrument's many fantastic features, including voice selection, style and auto-accompaniment, and chord memory. The document covers getting started, playing techniques, and troubleshooting common issues.
You should not place it in direct sunlight or inside a car where it can get very hot.
It may cause interference noise in the other appliance.
Use a slightly moistened cloth to wipe off the soiled areas.