Controller Names for the A-300 PRO MIDI Controller Keyboard, and Default Message Values --------------------------------------------------------------------------------------- 176 -80 80 127 - B1 Button (Gate Arp ON/OFF) 176 -80 81 127 - B2 Button (Metronome On/Off) 176 -80 82 127 - B3 Button (Arp Pattern Recording Start/Stop) 176 -80 83 127 - B4 Button (Debug Flag Ture/False) 176 -80 74 xxx - R1 Dial (K-Pro Voice Preset Selection) 176 -80 71 xxx - R2 Dial (Software Synth Voice Preset Selection) 176 -80 65 xxx - R3 Dial (N/A) 176 -80 2 xxx - R4 Dial (N/A) 176 -80 5 xxx - R5 Dial (N/A) 176 -80 76 xxx - R6 Dial (N/A) 176 -80 77 xxx - R7 Dial (N/A) 176 -80 78 xxx - R8 Dial (N/A) 176 -80 10 xxx - R9 Dial (K-Pro Y-axis sensitivity) 176 -80 73 xxx - S1 Slider (Gate Arp Rate) 176 -80 75 xxx - S2 Slider (Gate Arp Ratio) 176 -80 72 xxx - S3 Slider (Gate Arp Note Spacing) 176 -80 91 xxx - S4 Slider (Keyboard Base Note) 176 -80 92 xxx - S5 Slider (Keyboard Key Spacng) 176 -80 93 xxx - S6 Slider (Gate Arp Pattern Selection) 176 -80 94 xxx - S7 Slider (Patch Selection) 176 -80 95 xxx - S8 Slider (Metronome BPM Selection) 176 -80 7 xxx - S9 Slider (Volume Control) 176 -80 21 127 - L1 Button (127 ONLY, N/A) 176 -80 22 127 - L2 Button (127 ONLY, N/A) 176 -80 23 127 - L3 Button (127 ONLY, N/A) 176 -80 24 127 - L4 Button (127 ONLY, N/A) 176 -80 25 127 - L5 Button (127 ONLY, N/A) 176 -80 26 127 - L6 Button (127 ONLY, N/A) 176 -80 27 127 - L7 Button (127 ONLY, N/A) 176 -80 28 127 - L8 Button (127 ONLY, N/A)