A:AnswerIt has a hard attached 110 volt AC cord. The the AC -> DC transformer is internal on this model. In your RV, you would have to have an inverter from DC to AC, then you could plug into that to use this model.
A:AnswerThe channel scan function starts everything all over each time you scan. There is no way to simply scan for additional channels which makes my antenna rotor useless.
A:AnswerThis TV doesn't support TV speakers and Headphones at the same time.
You could try to connect the wireless headphones model NS-HAWHP2 to the 3.5 mm headphone jack on the TV and connect a soundbar (NS-HMSB20) to the headphones base using an RCA cable.
A:AnswerThis TV hooked up quite easily to a Spectrum cable box with no problems. It replaced an older smaller TV, and is much brighter and clearer. It was a gift for my mom and she loves the picture quality. I think you'll be happy with it.