Yamaha PSR-172 Manuals

This document provides instructions for the use of the product, including the use of batteries and power adapters, and the use of recommended accessories and stands. It also reminds users to control the volume and avoid prolonged use at high volume levels that may cause hearing loss. In addition, it emphasizes that the product specifications may change and users should be aware of updates. Finally, it reminds users that service charges incurred due to a lack of knowledge about the product's functions are not covered by the manufacturer's warranty.

This document provides instructions for using the product, including using specific power supplies and accessories, and avoiding the risk of hearing loss from prolonged high-volume use.