tnx for the very prompt reply Lyle... I just checked again.... DATA mode A; main menu Mic Select Line In and same results - absolutely no power out 73 John VE3NFK -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-DATA-mode-does-not-TX-tp7568906p7568910.html Sent from the Elecraft mailing list archive at Nabble.com.