Ken: My Hercules II shows zero idle current. I don't have the info on any adjustment. You might want to call TenTec. 73 de Greg, K7KJ -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com Search: http://www.contesting.com/km9p/search.htm