Don thanks so much for the quick reply. The 4 different "modes" seem to be the same with NB1 or NB2. Also if I have the NB OFF. Thanks again. Stan AE7UT -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-NB-LEVEL-question-tp7558461p7558465.html Sent from the Elecraft mailing list archive at Nabble.com.