That's funny, somewhat similar happened to me, after a year playing the OS, when I got the model D. I set all Osc's to 8', try to tune Osc 3 with Osc1, playing an A. Darn, Osc 3 only tunes when three full steps down from Osc1. Oh well, needs internal trim adjustment or something like that. I can live with that. Start to play. On those patches where I kick in Osc3, it sounded even worse, it won't stay in tune AT ALL when played. Problem was you press the Osc3 orange rocker switch on the D to pass control to the keyboard, Osc3 being used as a LFO under most condition. On the OS, you press the Osc3 switch to RELEASE the Osc from keyboard control. Plays totally in tune nowfiltered wrote:My first note induced a mild panic! I could tell one of the Oscs was way out of tune, despite the fact their respective knobs were all where they should be-.....
