NaP3 seems to work well but the display shows vertical lines every 1-2 KHz. These lines disappear when tuning in fixed mode, but reappear when tuning is over. Any idea how to get rid of those lines? Ignacy, NO9E -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-NaP3-tp7558731p7562507.html Sent from the Elecraft mailing list archive at Nabble.com.