sdoc - when you go into your web interface software, there are a number of routes to get to the section to add favorite channels.
I usually click 'MORE OPTIONS' which gives me a list of all devices and activities.
Under the Activity Column you'll see a link for each activity that enables Favorite Channels. It's called 'Setup Favorite Channels'. Click here and put in the channel number. You can also select to put in a small picture.
As mentioned numerous times in this thread, a great source is
[Link: squareworld.com]Hope this helps