Ok, i have my answer: Becouse agc was off. Thank's El 19/01/2010 21:09, Ruben Navarro Huedo escribió: > Hello friends: > My k3 is only 2 hours old. > A little question: > When i press NR y can read N/A on the screen. > The same with NTCH. > Why can't i use it? > > Thank's a lot. > -- Rubén Navarro Huedo - EA5BZ http://www.palotes.com