A:AnswerHi,
Congratulations on your new 50" Roku TV. There is a combination power/input switch on the lower left side, slightly behind the bezel. Let me explain how they work.
For Power function - Press to turn on your TV when your TV is off (in standby mode). Press and hold to turn off your TV when TV is on.
For INPUT function—Quickly press and release to open the INPUT SOURCE list, press one or more times to select a video input source, then wait a few seconds. Your TV switches to the source you selected.
We hope you enjoy all of the features on this great set.
Arely R. - Insignia Support.
A:AnswerNot sure what the question is... if you are looking to get basic TV channels you will need an antenna as well. I have the antenna and was able to get like 40 different channels.
A:AnswerI own this TV and I use the 3.5 mm headphone output and an adapter that turns 3.5 mm headphone output into Red/White RCA output that I feed into my older stereo receiver that has Left and Right speakers and a powered subwoofer. This option will not only out perform a soundbar but has the ability to shake the whole house!
A:AnswerThere is no stand alone web browser built-in to this tv. I'm not sure if Roku makes an app that would let you surf the web but I doubt it.
Regarding the product manuals, you can find them at https://www.insigniaproducts.com/pdp/NS-50DR620NA18/5684501. Click on the Support and Downloads tab and you'll find them.
A:AnswerYou can attach an external antenna. I am too far from the closest tv stations and was unsuccessful in getting local tv and I took the antenna back. I get everything through the internet access.