It's up and running, but need a little help on 3 issues. 1 Why are there tons of ota channels showing on my guide and how do I get rid of the incorrect ones? Channel scan shows only 21 channels found, but there are tons more showing on the guide. If I try to access any of the ones that are...

I have a Roamio Plus and two Minis. On the Plus I set up All, My Channels, and Favorites lists. When watching on the Plus I can change filter in channel guide and it works as expected. However, on the Minis even though the guide seems to offer the same filtering options, they see whatever is...