I don't think I've ever found a cheap hotel tv without some back up buttons on the side or a bottom corner, even one 4/5 way button with one other.
I would spend time going through older Visio tv manuals and see if you recognise any part of it. I know they're all black and oblong shaped with glass on the front
![Smile :) :)](/styles/smilies/google/smilie.png)
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You can get a digital box , or combined PVR / DVR recorder cheaply. Here in the UK there are often some in larger charity shops.
Also with an indoor aerial, there' are many to choose from on Amazon. I would consult with the local Humane society about rabbits ears (
@olbriar is showing our ages).
Are you getting a clear screen when you turn it on?
If you can unscrew the Vesa mounts you can look at it better. Other than that, don't waste money until you know what you got.
I scrubbed my previous post about an analogue tuner, as I was thinking you had a CRT TV in a cabinet, but
@mikedt's point still holds. It's probably analogue, but you will need to look at the back aerial connection.
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On edit : I'm still a little confused as you did say it was in a cabinet. Is it a flat screen or a tube / crt tv?