- Press MASTER.
- Select UTILITIES.
- Select RECALIBRATION.
- Press the cursor key (right) to execute the calibration.
- Follow screen prompts if any (often automatic).
Source: E-Synth Ultra — e-mu-eos-4-0-manual (manual)
Symptoms this guide addresses
Source: E-Synth Ultra — e-mu-eos-4-0-manual (manual)