As best I can tell from the schematics, 7 and 8 are connected together. However I use 7 as mic ground and 8 as the shell, like Kenwood. ----- Chuck, KE9UW -- View this message in context: http://elecraft.365791.n2.nabble.com/Microphone-Qusestion-tp7604628p7604689.html Sent from the Elecraft mailing list archive at Nabble.com.