Hello Tim! > I hear what David is talking about now - did not realize it at first, Lyle > are you referring to the Unoffical Mod you described on 7/19? Yes, Brendan EI6IZ and I worked out the mod and he performed it to his satisfaction on his K2. This only deals with the onset of sidetone, not the switchover back to receive. 73, Lyle KK7P