Posted by Tom McCulloch on URL: http://elecraft.85.s1.nabble.com/K2-Straight-key-auto-detect-tp7593193p7593200.html
I had the problem of using a mono plug as well and the stereo plug fixed it.
I didn't know there's an auto detect, I've been switching the menu to
"Hand" whenever I went to a straight key. Can you point me to the auto
detect function?