I purchased a zapper CC2. My psa has gone from a 6 to 31 in a couple of years. I also I have an enlarge prostate which makes me go to the bathroom in the middle of the night, at least twice a night. My question is, I don't know where to use zone 4, rife or is there another one to use. I been using zone 4 for 3 days. I use 1 hour steady Can I use it for more than I hour? Also, can I place the copper tubing under my arms while zapping. thanks for your replies. I'm 80 years old and pretty fit otherwise. God bless!