questionsis there an electronic device where i can set tv…

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There's a feature on Dish receivers that lets you have a custom channel lineup. MENU button>Preferences>Favorites List, then change one of the My Lists to your grandmother's name and put the channels she watches in it. Five, maybe ten minutes work.

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@rprebel:

Yeah, but I don't think that will let Granny turn to channel 42 to get what Dish calls channel 327. And I think assigning different numbers to the Dish (or cable compnay) channels is what @keckfitty1 really wants for Granny.

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You could always buy her a Logitech Harmony remote. The cheapest ones are around $20 and let you have five buttons for favorite channels. You have to program the buttons to the channel numbers, but after you do that, you simply push the button and it puts in the channel number for you.

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@manofkays: That was the only thing I could think of.

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Do it how the hotels do it. One satellite receiver for each channel, connected to an rf modulator and then a combiner. You pick the channel number on each RF Modulator.

Is it expensive? YES! Does it work? Well, yeah. That's really the only way it can be done.

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I can also vouch for the Logitech Harmony. Got one for us and the in-laws. They are uber-convenient.

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@omnichad: I think he would lose the HD quality under that solution.

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Another for the Logitech Harmony remotes. I think all models allow you to configure them via your computer.

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Probably beyond the scope of the question, but could you use an arduino/raspberry pi, an IR receiver, an IR blaster, and convert the incoming channel from the remote (grandma's legacy channel) to the new channel on the new service? You'd have to write the code and update it as the channel lineups change, and it's not an answer to your question, but it would solve the problem more completely than a Harmony.

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@dcalotta:

Yeah, it would be doable. Actually a nice little project for someone needing an idea to use up an arduino or raspberry pi or some other microcontroller.