Switching from progasm to helix…what should I expect.

I have used the progasm here and there over the last couple years with moderate success. I’ve started using it more frequently recently, with better results. I just got my helix syn in today, and wanted to know if I should be taking a different approach when using it? What sensations should I expect to be different? Although I had some good orgasms with the progasm, it was always a bit on the uncomfortable side. What should I be doing differently when using the helix, as compared to how I’ve been using my progasm?