thank you all for the input,the dr,s office tech told me to quote"you got to just wing it until you find what works,',we waited for 3 weeks and they never gave me one,,,,but we went and bought one,,they run about 50.00,,,,,thats not bad,,but they didnt know what to set it on,,,I'll try your setting pete,,hope it doesnt toast me,,ive got to see the pain med guy[needle in the back] 2moro,,,,i hate these flareups,,i really need to find a good dr and a good groove,,,thank you all,,,,,,,,bobber,,,,