This appendix is a one-page reference for every button combination on the PO-33 and the Ravine: Phoenix firmware.
Buttons
| Button |
Symbol |
Function |
| REC |
โ
(star) |
Hold + pad to record into a slot. |
| WRITE |
ยท (dot) |
Enter / exit write mode. |
| PLAY |
โถ (triangle) |
Start / stop the sequencer. |
| STOP |
(square) |
Stop playback. |
| BPM |
BPM text |
Tap to cycle presets. Hold + knob to fine-tune. |
| FX |
FX text |
Hold + pad to apply FX. Triple-tap to cycle Tweak modes. |
| SOUND |
S |
Hold + pad to select a slot (instead of triggering). |
| PATTERN |
โ (PO-33 pattern) |
Hold + pad to select / chain a pattern. |
| ERASE |
(backspace) |
Hold + pad to erase that step. |
Pads (1โ16)
| Pad |
Default |
With SOUND held |
With FX held |
| 1 |
Step 1 / slot 1 |
Slot 1 (melodic) |
FX 1 |
| 2 |
Step 2 / slot 2 |
Slot 2 (melodic) |
FX 2 |
| 3 |
Step 3 / slot 3 |
Slot 3 (melodic) |
FX 3 |
| 4 |
Step 4 / slot 4 |
Slot 4 (melodic) |
FX 4 |
| 5 |
Step 5 / slot 5 |
Slot 5 (melodic) |
FX 5 |
| 6 |
Step 6 / slot 6 |
Slot 6 (melodic) |
FX 6 |
| 7 |
Step 7 / slot 7 |
Slot 7 (melodic) |
FX 7 |
| 8 |
Step 8 / slot 8 |
Slot 8 (melodic) |
FX 8 |
| 9 |
Step 9 / slot 9 |
Slot 9 (drum) |
FX 9 |
| 10 |
Step 10 / slot 10 |
Slot 10 (drum) |
FX 10 |
| 11 |
Step 11 / slot 11 |
Slot 11 (drum) |
FX 11 |
| 12 |
Step 12 / slot 12 |
Slot 12 (drum) |
FX 12 |
| 13 |
Step 13 / slot 13 |
Slot 13 (drum) |
FX 13 |
| 14 |
Step 14 / slot 14 |
Slot 14 (drum) |
FX 14 |
| 15 |
Step 15 / slot 15 |
Slot 15 (drum) |
FX 15 |
| 16 |
Step 16 / slot 16 |
Slot 16 (drum) |
FX 16 (no effect) |
FX list (1โ16, per the PO-33 manual)
Punch-in effects are selected with FX held + a pad. Pads 1โ15 pick an
effect; pad 16 is โno effectโ.
| FX |
Effect |
| 1 |
loop 16 |
| 2 |
loop 12 |
| 3 |
loop short |
| 4 |
loop shorter |
| 5 |
unison |
| 6 |
unison low |
| 7 |
octave up |
| 8 |
octave down |
| 9 |
stutter 4 |
| 10 |
stutter 3 |
| 11 |
scratch |
| 12 |
scratch fast |
| 13 |
6/8 quantize |
| 14 |
retrigger pattern |
| 15 |
reverse |
| 16 |
no effect |
Tweak modes (tap FX to cycle)
| Mode |
Knob A |
Knob B |
| TONE |
Pitch (semitones) |
Volume |
| FILTER |
Cutoff (0โ8000 Hz) |
Resonance |
| TRIM |
Start point |
End point |
BPM presets
| Preset |
BPM |
| Hip Hop |
80 |
| Disco |
120 |
| Tencho |
140 |
Fine-tune: 60โ240 BPM via Knob B.
Swing
| Knob A position |
Swing level |
Feel |
| 0 |
0 |
Straight |
| 1 |
1 |
Slight shuffle |
| 2 |
2 |
Hip-hop |
| 3 |
3 |
Heavy hip-hop |
| 4 |
4 |
House |
| 5 |
5 |
Heavy house |
| 6 |
6 |
Trap / juke |
| 7 |
7 |
Extreme |
Pad-to-note mapping (F-005)
| Pad |
MIDI |
Note |
| 1 |
60 |
C4 (middle C) |
| 2 |
61 |
C#4 |
| 3 |
62 |
D4 |
| 4 |
63 |
D#4 |
| 5 |
64 |
E4 |
| 6 |
65 |
F4 |
| 7 |
66 |
F#4 |
| 8 |
67 |
G4 |
| 9 |
68 |
G#4 |
| 10 |
69 |
A4 |
| 11 |
70 |
A#4 |
| 12 |
71 |
B4 |
| 13 |
72 |
C5 |
| 14 |
73 |
C#5 |
| 15 |
74 |
D5 |
| 16 |
75 |
D#5 |