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FOAM’s interface is organized into five main cards:

Header Bar

The top bar contains:
  • Preset dropdown — browse and save presets
  • MIDI Learn button — click, then right-click any knob to assign a MIDI CC
  • OSC button — configure OSC output (green when active)
  • CPU button — opens performance menu for threading mode and bubbles-per-second governor

Parameter Locking

Right-click any knob to lock it. Locked parameters are excluded from:
  • Chaos randomization (both Jump and LFO modes)
  • Drift modulation
  • Preset changes (locked knobs retain their current value)

Right-Click Toggles

A few controls have additional behavior on right-click:
  • Chaos knob — toggles between Jump mode (per-note randomization) and LFO mode (continuous multi-rate modulation). Label changes to “Chaos LFO” in LFO mode.
  • Any knob — locks/unlocks it from modulation as described above.

License Status

The bottom credits bar shows your license status: Licensed, Trial (with days remaining), or Unlicensed. Click the status text to open the license dialog and enter your trial or full license key.