Oops, sri, missed that the amp-enable is in use. Didn't see this problem with the MFJ tuner when I used it, in any case. Brgds, Dave, N3HE -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Amp-Key-configuration-request-tp5908796p5914120.html Sent from the [K3] mailing list archive at Nabble.com.