A:AnswerI think it is a BEST BUY brand, this link will lead you to the instruction manual if you put in the Model # https://www.insigniaproducts.com/support
A:AnswerOptical jack is on the left side of the TV not the back. I think this is a BEST BUY brand, this link will lead you to the instruction manual just enter the model # https://www.insigniaproducts.com/support
A:AnswerYou simply tell the Roku what device is connected to your HDMI port. (such as DVR cable box). Then click Home on the remote and scroll to the Cable Box. A preview pane shows what's on cable and you can switch. Very easy.
A:AnswerSmart TVs connect to the internet and have built in apps. Different smart TVs run on different platforms. Roku is one such platform, and in my opinion the best. Samsung, Sony, most of those guys have their own smart platform.
