Thanks, Don! I never knew quite what the ALC was for. Good point about the RTTY filter set, too. Chris NQ8Z -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-SignalLink-Setting-gains-for-digital-modes-tp7572576p7572584.html Sent from the Elecraft mailing list archive at Nabble.com.