The Yamaha MM8 has an 88 key keyboard, with graded hammer keys to give you the most authentic feel when playing. Like the MM6, the MM8 features sounds from the Motif Series, real-time control, street-smart grooves, computer integration, and adds an 88-note Graded Hammer action Yamaha keyboard. It has a lot of really great features and functions that will help you diversify and really get creative with your performances if that is what you want to do.
Although the Yamaha MM8 may look complex at first glance, it is actually pretty straight forward to use. Yamaha has made it as easy as possible for you to find and access the features you need as quickly as possible. You’ll enjoy an onboard sequencer for creating songs, real-time knobs for the ultimate in control, and a convenient USB connection for full-on production in your favorite DAW – Producers, Tweakheads, and Songwriters alike: look out for the ultra-potent Yamaha MM8!
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To restoring Yamaha MM8 to its factory settings, just simply power ON while simultaneously holding the Highest White Key on the keyboard.
Warning! When you execute this operations, all stored settings will be erased and returned to the factory settings. Do not use this function unless you are certain that you want to do this. This procedure also applies to the MM6 unit. Hopefully the article of “Initialize the Yamaha MM8 Music Synthesizer to Factory Preset” can help you.
Reference: Yamaha MM8 manual