Stefan, I suggest you contact K3support at elecraft.com, they should have suggestions for you. 73, Don W3FPR On 8/16/2016 6:26 AM, YO7MGG via Elecraft wrote: > Hello, > > I have a Elecraft K3 and when i`m in 50Mhz and i want to dial the frequency > my K3 jump to 45MHz and i can not have de 50 MHz frequency to operate. What > can i do? >