Try searching for the word BALANCE. I haven't hooked up a mike to listen = in the headphones (now, where did I put that pesky MH-2?) but I see (in = KSB2 Rev C, 5/2/2000): p19, Coarse Alignment, p19 fine carrier balance = and p21 Using the KSB2 references to this IF insertion. Dan / WG4S / K2 #2456 with KPSK2 installed