When a 720p set is displaying full hd, it can accept the signal and downconvert to the capabilities of the set. 4K content wasnt available when older 720p sets came out.
You should go to your users manual to see if it can do so.
When a 720p set is displaying full hd, it can accept the signal and downconvert to the capabilities of the set. 4K content wasnt available when older 720p sets came out.
You should go to your users manual to see if it can do so.