1. From the main menu ...
[F]ind ... use the up/down arrows to highlight the unwanted channel in the activity panel.
Select [C]hannel. The highlighted channel's details will appear below. It will include a menu bar which reads ave [A]pply nsert [Del]ete [Esc]ape.
Select the [Del]ete option by highlighting it and pressing "return" or "enter" or type [Alt] and [Del] keys.
2. From the main menu ...
[F]ind -> [C]hannel
Tab over to the the LCN field number, type in the LCN of the channel you want to delete, and press the "return" or "enter" key.
The menu bar includes options ave [A]pply nsert [Del]ete [Esc]ape.
Select the [Del]ete option by highlighting it and pressing "return" or "enter" or type [Alt] and [Del] keys.
3. While editing or viewing the details for a specific channel - you can scroll through the list of channels:
Use the [Tab] key to advance through the fields until on of the channels in the channel view is highlighted. Pressing [Tab] again will move you to the editing menu. Pressing [Shift][Tab] will move you back to the channel list. Use the up/down arrow keys to scroll through the list. The details of the currently highlighted channel will appear below.