Also, don't forget to squirt some tuner cleaner spray on them once in a while. Otherwise gunk can build up on the contacts and the picture gets a bit snowy. In a couple of months you may have to pull one or more tubes out and head down to a hardware store, cigar store, or a place called Radio Shack and figure out which of the tubes is bad.Secondly, the controls were there on the left side behind the screen.
Other than that, enjoy your new TV.
Wrooster