Generalized Tuning (Troubleshooting)

1. Select a program using only Osc 1. Tune to a reference pitch using the rear panel FINE TUNE control.
2. Select a program using both oscillators with Osc 2 at a known interval.
3. Touch STORE and Osc 2 simultaneously.
4. Adjust the incremental controller until Osc 2 is at the precise interval.
5. Touch any program.

Source: Source — moog-source-owners-manual-rvgm (manual)