Yamaha digital pianos are widely considered to be the best digital pianos in the market ahead of companies like Kurzweil and Roland. They’ve been making a wide-range of digital pianos for an awfully long time. The ARIUS YDP135 piano provides true piano sound and feel, while the Graded Hammer Standard keyboard makes it a true joy to play, both in practice and in performance. The Yamaha YDP135 ARIUS digital piano is perfect for beginning students and experienced players alike.
According to several user reviews, they have praised Yamaha Arius YDP-135R for the beautifully even keyboard, nice cabinet, low maintenance, quiet action, deep key travel, music stand. Also, some user have complained it for the low quality speakers, limited 64 tone polyphony, price.
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To restoring Yamaha Arius YDP-135R to it’s factory settings, just simply power ON while simultaneously holding the C7 (highest) key on the keyboard.
Warning! This operation will cause all data, excluding the songs loaded from a computer, will be initialized and reset to the factory default settings. So be sure to back up any information you wish to keep. Hopefully the article of “Reset Yamaha Arius YDP-135R Digital Piano” can help you.
Reference: Yamaha Arius YDP-135R manual