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You might have to use an IR blaster from the hub for each unit, and light-shield each unit/blaster combo from one another and from the hub (e.g., by putting them inside separate cabinets or well-ventilated boxes). Seems pretty cumbersome. Even then, I think you'll have trouble controlling the newer DirecTV models (Genie 2). DirecTV does not support 3rd-party universal remotes, like the Harmony.
Sorry, there was a problem. Please try again later.New directv boxes come with new RF (radio frequency remotes) each remote will be programmed to one receiver therefore only change the channel for one receiver. The problem you will have is that if all TVs are the same brand, all TVs will turn on/off and volume controls will be the same for all 3. You could however invest in 3 harmony elite pro remotes, not available to direct consumers. Each remote will program to a separate hub, and the emitter directed to the corresponding tv. However this would be pretty pricey.
Sorry, there was a problem. Please try again later.If they are the same device and use the same IR code/code, I'm not sure this remote can be programmed for that, I think they only work for separation of TV/audio/blueray and so on putting all different IR codes into one remote only when each remote has it's own code. , even if you separate the IR blasters I think they all blast at the same time and can't be used by placing one in front of each sending to individual blasters/boxes. I would call direct TV and tell them your problem and see If you can get different boxes/remotes that have different IR codes because yours all have the same code and you cant change one without getting picked up by 2/3
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