- Press Edit.
- Select X1.
- Adjust data slider or Octave Transpose buttons to select 'CAL'. Press Enter.
- Adjust data slider to select 'CCM'. Press Enter.
- Sweep the Pitch Wheel through all possible values.
- Let the wheel spring back to center.
- Press the illuminated Snap Shot button (Display should show 'Ctr'). Repeat if necessary.
- Press Enter to store.
- Press Enter to calibrate another control or Home to finish.
Source: Xboard 61 — emu-xboard-25-49-61-manual-eng (manual)