This manual provides information on how to use and safety precautions for Yamaha products, including the use of batteries and power adapters, as well as specifications changes.
The Yamaha PSR-290 is a portable electronic musical instrument designed for use with batteries or an external power supply. Users must strictly adhere to the provided safety warnings regarding electrical shock, fire hazards, and proper battery handling to prevent injury or damage to the device.
This document covers essential operational procedures including connecting accessories like carts and stands, utilizing the included cables, and adjusting volume levels to avoid hearing loss. It also details FCC compliance requirements for use in residential environments and provides troubleshooting steps for potential interference issues.
The manual states that you must only use the specific voltage printed on the name plate of the instrument.
You should use the specified adaptor PA-3C or PA-3B, or an equivalent recommended by Yamaha.
Mixing battery types can cause overheating, fire, or battery fluid leakage.