This product can be powered by batteries or an external power supply adapter. Connect the product to a power supply or adapter as described in the manual, on the name plate, or specifically recommended by Yamaha. Use this product only with the supplied components or a cart, rack, or stand recommended by Yamaha. If using a cart, etc., follow all safety markings and instructions that come with the accessory product. Specifications may change. The information in this manual is believed to be correct at the time of printing. However, Yamaha reserves the right to change or modify any specifications without notice or obligation to update existing units. This product, either alone or in combination with an amplifier and headphones or speakers, can produce sound levels that may cause permanent hearing loss. Do not operate at a high volume level or an uncomfortable level for long periods of time. Consult an audiologist if you experience any hearing loss or ringing in the ears. The louder the sound, the shorter the time period before damage occurs. Service charges incurred due to a lack of knowledge about how a function or effect works (when the unit is operating as designed) are not covered by the manufacturer's warranty and are the responsibility of the owner. Please read this manual carefully and consult your dealer before requesting service.
This document is the Owner's Manual for the Yamaha PSR-340 PORTATONE. It contains essential information regarding product use, including a special message section on power supply requirements and hearing safety warnings.
The manual details various precautions to avoid electrical shock or physical injury, such as not opening the instrument, avoiding exposure to rain, and using only specified AC adaptors (PA-5B, PA-5C, PA-51). It also covers battery usage guidelines, data saving procedures for floppy disks, and proper cleaning methods.
You must use only the adapter described in the manual, on the name plate, or specifically recommended by Yamaha.