You can program the power out of the K3 to be a specific value when you push & hold the XMIT/TUNE button. I have mine set for 5 watts for initial tune-up of the amp with a steady carrier. John AE5X http://www.ae5x.com/blog >When I try to use CW, all I get are transmitted dits or dahs. The >breaks register as zero output, so the needles on the amp bounce around