... keys 2, 180 tones, 160 rhythms and 60 demos 3, LCD display 4,Master Volume DRM628 SPECIFICATIONS:1, 61 standard Velocity flsh-light ... keys2, 180 tones, 160 rhythms and 60 demos3, LCD display4,Master Volume 5, Prelude and chord volume control6, Tranposition ... +/-7, Fine adjustment+/-8, Model slection ( tone and rhythm)9, Digital ...