I have a Ham M series 4 and today the meter quit reading. Can't seem to find my book. Could someone tell me which 3 wires on the back of the control box, go to the pot ??? It still turns but no read out. Thanks Art -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com