This is a vintage Yamaha Portatone PSR 12 factory owners manual from the 1980s. The manual is available in English, French, Spanish, and German, and is perfect for those who need a comprehensive guide on how to use this electronic keyboard. It includes all the necessary information that you need to get started with your instrument such as setting it up, operating it, and troubleshooting tips.

The manual is in great shape and is a must-have for any Yamaha enthusiast. It is a rare find and a valuable addition to your collection. It is perfect for those who want to learn more about the history of Yamaha keyboards and for those who want to keep their vintage Yamaha instruments in top condition.