x0xb0x with full x0xi0 mod. Troubleshooting. Starts with all settings for "stock" x0xb0x. It's a square wave on VCO 1, and with resonance, env mod, and decay all the way down. Cutoff starts at its max, goes gradually down to its midpoint where I leave it for several seconds, then gradually all the way to its min. Once there, I then also turn the main volume down to min (from max where it started). You may have to turn your listening volume up at the end to hear the clicks, but they're there.