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Hello, Older Panasonic sets required you "Name" the Input in order to be able to use it. It's skipping over HDMI 2 because it's assigned to be skipped in the Input setup. Now the tough part is, that without the model number (on the sticker on the back of the TV), that I cannot find you specific instructions on how to "Label" or "Name" the Input. So if you can get me that number I can help there.
Alternatively, if the TV's mounted on a wall- and you don't have access to the back of it (even using a small mirror and a flashlight), then the ONLY other option is to use an HDMI switcher and simply plug the one cable that's going to the back of the set- to the switcher then plug the DirecTv and Roku boxes into the switcher.
I can also provide a link to the switcher.
Let me know how you'd like to proceed.
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