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| z | Major |
| s | Sus2 |
| x | Minor |
| d | Sus4 |
| c | Inversion 1 |
| v | Inversion 2 |
| g | Ext: 6th |
| b | Ext: m7 |
| h | Ext: M7 |
| n | Ext: 9th |
| j | Dim |
| m | Aug |
| q-u | C3-B3 |
| i-] | C4-G4 |
| Space | Play / Stop sequencer |
| ← | Select prev step |
| → | Select next step |
| ↑ | Select prev row |
| ↓ | Select next row |
| Ctrl+← | Octave down |
| Ctrl+→ | Octave up |
| Preset | Load synth preset |
| Oct Shift | Transpose ±3 octaves |
| Hold Mode | Latch modifiers; press again to toggle each |
| Root Dbl | Add root one octave below |
| Strumming | Guitar voicing + 30 ms note stagger |
| BPM ± | Tempo 20–300 (step 5) |
| ▶/■ | Play / Stop (toggle) |
| ↻ | Stop + clear all steps |
| ● Rec | Toggle record (red = on) |
| Select | Record to fixed selected step |
| SH-101 | Record + auto-advance step |
| + | Add row (long press = duplicate) |
| ≡ | Drag to reorder rows |
| ▲1▼ | Row repeat count |
| 8→16 | Expand row to 16 half-time steps |
| Vol | Sequencer output level |
| Metro | Metronome (playback only) |
| Res | Metro density: 1 bar – 1/16 |
| Waveform | Oscillator shape (14 types) |
| Unison | Stacked voices + detune spread |
| Amp Env | ADSR volume envelope |
| Filter | LP ladder; 12/24 dB, cutoff, Q, drive |
| Filt Env | Cutoff ADSR sweep (±10 kHz) |