MIDI Controlers - MML
From Help Wiki
KORG nanoKEY2
Restore Factory Settings
- Hold down OCT - button, OCT + button and MOD button while connecting power through USB cable from the computer.
- The OCT - button and the OCT + button will blink when the factory-set default condition has been restored.
KORG nanoKONTROL2
- Hold down PREV TRACK button, NEXT TRACK button and CYCLE button while connecting power through USB cable from the computer.
- The transport buttons (except CYCLE) will blink when the factory-set default state has been restored.