Active Channels - Although the menu item is shown as available, unless Superbrowser is running, you will not be able to access the sub-menu options. If Super Browser is running, the Active Channels option provides selection of from 5 to 40 active channels to display.Received signals, up to a maximum of the number you have selected for Active Channels, will be displayed with a single, scrolling, ticker-tape like text strip across the screen. A leader line will be used to indicate the frequency of the received signal.