Does anyone know what is Hi TV?

Passing a TV store window the other day I notice a TV in the window and instead of the usual HD printed on the TV it have "Hi", was this a spelling mistake or is there another format I hold never heard of.
I'm sure you Tecky's can help?

Answers:    I deliberate it was a spelling mistake
Why didn't you go surrounded by and ask them? hi tv
hi viewer
whats up?
nothing much =]

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