Thanks, Tom, I've been using "RX;" since your posting & it seems to always properly stop the transmission. No unexpected sidetone. Tnx agn! 73, Mike ab3ap On 11/06/10 12:17, Tom, DL2RUM wrote: > > Just send "RX;". This will cancel the transmission and works in all modes. > > 73 de Tom, DL2RUM