| Arpeggiator Mode | menu_setting | — | Selects the arpeggiator direction/pattern from five modes: Up, Spiral, Down, Random, Pendulum. Set per channel and per harmony.263 |
| Arpg / Memory button | button | — | Opens the Arpeggiator menu to set arpeggiator mode and octave spread per channel and per harmony. Press simultaneously with Edit button to access Memory menu.263 |
| Channel Grouping Options | menu_setting | — | Controls which settings are shared between grouped channels. ALL OFF: only scales are copied. C# ON: Scales and Edit parameters are copied. D# ON: Scales, Edit, Microtuning and Arpeggiator parameters are copied.263 |
| Channel Interaction | menu_setting | — | Controls how channels 2, 3 and 4 behave when 0V is detected at their CV input. Options: No interaction (F#), Normalisation — channel follows previous channel's input (G#), or Shift Register — channel follows previous channel's input on gate trigger (A#).263 |
| Channel buttons | button | — | Selects the edited channel. Also used for channel grouping (hold one and press another to group), and for enabling arpeggiator on a channel when held with the Arpg button.263 |
| Edit button | button | — | Opens the Edit menu providing Octave switching, Trigger Out, Gate In and Transpose In capabilities per channel and per harmony. Press again to exit. Hold for 2 seconds in Scale edit menu to enter Tuning Mode.263 |
| Harmony potentiometer | knob | — | Navigates through 8 harmony locations (harmonic progressions). Also used in the Microtuning menu to detune notes. In Microtuning, noon is in tune, clockwise raises pitch up to +50 cents, counter-clockwise lowers pitch down to -50 cents.263 |
| Keyboard buttons | button | — | Used to set a scale per channel. The active note shines brighter than the other selected notes, providing real-time note monitoring. Also used for memory slot selection, arpeggiator settings, and microtuning note selection in their respective menus.263 |
| Microtuning detuning | menu_setting | -50cent – 50cent | Detunes each of the 12 equal temperament notes independently per channel and harmony by up to +/-50 cents. At noon the note is in tune; clockwise raises to +50 cents, counter-clockwise lowers to -50 cents. A detuned note is indicated by a blinking keyboard button.263 |
| Octave | menu_setting | -3octave – 3octave | Transpose the channel output from -3 to +3 octaves, set per channel and per harmony in the Edit menu.263 |
| Octave Spread | menu_setting | 1octave – 4octave | Sets the octave range for the arpeggiator from 1 to 4 octaves, per channel and per harmony.263 |
| Output norm | menu_setting | — | Selects the CV output scaling standard per channel: V/Oct (no blinking), Hz/V for Korg/Yamaha (simple blinking), or 1.2V/Oct for Buchla (triple blinking). Changed by holding μTune and pressing Channel button in the Microtuning menu.263 |
| Root Note | menu_setting | — | Transposes a scale by semitones, set per channel and per harmony. Accessed by pressing μTune and ARPG together while in the Scale edit menu. Hold channel button while setting to apply to all harmonies. Grouped channels share the same root note transposition.263 |
| Sample & Hold mode | menu_setting | — | Switches the Gate input behavior between Track & Hold (default, light off) and Sample & Hold (light on, reacts to rising edges only).263 |
| μTune / Option button | button | — | Opens the Microtuning menu for detuning individual notes per channel and harmony. Press simultaneously with Edit button to access the Options menu. Hold while pressing Channel button in Microtuning menu to change output norm (V/Oct, Hz/V, 1.2V/Oct).263 |