This document is an owner's manual that explains the usage and features of the PortaTone music keyboard, including voice mode, style mode, song mode, etc. It also provides troubleshooting, percussion assign list, jam track chord progression list, one touch setting list, and song scores.
This document is the Owner's Manual for the Yamaha PSR-74 Portatone electronic keyboard. It covers essential topics including getting started with the instrument, playing techniques, voice and style modes, song mode, and troubleshooting common issues. The guide also includes specific information on percussion assignments and chord progressions.
The manual contains critical safety warnings and precautions regarding electrical shock, battery usage, and proper handling of the instrument. It details the correct power adapters to use, battery installation guidelines, and environmental considerations for disposal and maintenance. Technical specifications and FCC compliance information are also provided.
| Product Name | PORTATONE PSR-74 |
|---|
No, you should always replace all batteries at the same time and not mix new with old ones.
The minimum wire size for a 25-foot cord or less is 18 AWG.
The average life span of this type of battery is approximately five years.
You must use the specified adaptor PA-3B, PA-3, PA-4, PA-40 or an equivalent recommended by Yamaha.