Correct me if I'm wrong anyone, but I do believe the only way to do a limit search is to use 1 of the 10 custom search ranges. The very cool thing about is is that you can enable this custom search "and" scan at the same time. I do it all the time. Side note: One of the things I like to do is keep service search "CB radio" turned on which I like when I'm traveling along the interstate. Never know when a trucker is going to let you know what's going on in your immediate area and it only takes the scanner a second to flash through the 40 channels!