Yamaha have always been at the forefront of premier home keyboard production introducing premium features and making it easier to learn and enjoy playing music at home, or anywhere else thanks to their lightweight, sturdy build quality. The PSR-E243 comes fully loaded with 385 high-quality, natural-sounding voices, 100 accompaniment styles, and a library of 102 built-in songs, the PSR-E243 is ready to rock. It’s perfect for beginners of all ages, the Yamaha PSR E243 61 Key Personal Keyboard offers the built-in Yamaha Education Suite, which enables students to teach themselves piano as well as built-in accompaniment styles that make it possible to sound like full bands!
According to several user reviews, they have praised a Yamaha PSR-E243 for the easy to Use; Portable; Pre-programmed music; Realistic Sound; Responsive / Good Action; Touch Sensitive Keys. Also, some users have complained it for the limited Sound Selection; Poor Instructions; No Ac Adaptor.
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To restoring a Yamaha PSR-E243 to it’s factory settings, just simply power ON while simultaneously holding the “Highest White Key” on the keyboard.
Warning! This function erases the Backup data, then restores all the default factory settings. Before you perform this operation, check whether there is any data you want to keep. This procedure also applies to the YPT-240 unit. Hopefully the article of “Reset a Yamaha PSR-E243 Portable Arranger” can help you.
Reference: Yamaha PSR-E243 manual