Important Safety Precautions
Before using the instrument, read the precautions on pages 5-7. Ensure the instrument is used safely and correctly to avoid electrical shock, short-circuiting, damage, fire, or other hazards.
Battery Notice
Do not connect the instrument to any power supply adapter other than the one recommended by Yamaha. The instrument may contain small non-rechargeable batteries that require replacement after approximately five years.
Environmental Issues
Yamaha strives to produce environmentally friendly products. The company complies with environmental regulations and encourages responsible disposal of used batteries and products.
Compliance Information
The instrument complies with FCC regulations and is designed to minimize interference with other electronic devices.
Manual:
Download: PSR-E453/PSR-EW400 Owner’s Manual
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