This manual provides instructions and precautions for using the PSR-E303/YPT-300. The product can be powered by batteries or an external power supply adapter, and it should only be connected to the recommended power supply. It is recommended to use the product with the supplied components or accessories recommended by Yamaha. Additionally, it is important to be cautious about the volume level to avoid potential hearing loss.
This document serves as the Owner's Manual for the Yamaha PSR-E303 and YPT-300 electronic keyboards. It contains critical safety information regarding electrical shock, fire hazards, and battery usage to ensure the safe operation of the instrument. The manual emphasizes the importance of using only the specified power adapter (PA-3B, PA-3C) and avoiding exposure to moisture or extreme temperatures.
Installing batteries incorrectly may result in overheating, fire, or battery fluid leakage.