I use PF1 (RIT) for SPKR/PH toggle, and PF2 (XIT) for Mic Sel (not a toggle). It's easy to remember because SPKR=RX, MIC=TX. Leigh/WA5ZNU -- View this message in context: http://elecraft.365791.n2.nabble.com/Uses-for-Programmable-Function-Keys-tp6506608p6507169.html Sent from the Elecraft mailing list archive at Nabble.com.