Korg Forums

So I know you had a similar issue and I just got an answer from pajen via the volca subreddit - This a test tone that plays out and is typically not available in the regular Korg updates. If you still have this - update to pajens firmware. Access the global settings (hold func while pressing power ...

I am having the exact same issue as you. I've been wrapping my head around this since I got my volca. You're the only person I've seen who has this exact same problem that I have. I hope there's a fix somewhere because I want to enjoy my volca.