HA Sk1 / Sk2 Owner’s Manual14KEYBOARDACCESSORIES Keyboard (SK1)61 waterfall keys, velocity sensitive. UPPER keyboard (SK2)This is for playing the UPPER part. LOWER keyboard (SK2)This is for playing the LOWER part. AC adaptorSupplies power to the instrument - USE ONLY AD3-1250,DO NOT SUBSTITUTE! AC cord setAttaches AC adapter to Wall outlet.NAMES AND FUNCTIONS - continuedDRAWBARS SELECTORGAN TYPEUPPER PEDAL LOWERNUMBER NAMEPATCH ENTERVALUEMENU/EXITPLAY