Harmony Ultimate, Harmony Smart Control, Harmony Link

[stephotr]

I got the remote setup yesterday and almost everything is working fine. I have a Roku that is set up as an activity and a device. I can use it fine, but the problem comes after I have used the Roku. I click on the "Watch TV button" but the Roku label is still on the screen. The tv and the cable receiver turn on as they should, but the input doesn't change. The input changes correctly from the other devices back to the tv, but not from the Roku. Have I set something up incorrectly? I am currently having to change the input manually on the tv remote to get back to the tv input. In the very least,  is there a button on the Harmony remote that will allow me to scroll through the inputs? That would be easier than having to keep the tv remote close too. That is why I went to a universal remote- to not have top switch back and forth between multiple remotes. Thanks!