Most settings can be done in the Fios Menu.
Menu > settings and then a whole host of things you can do.
if you're talking about the hidden menu, then you have to use two hands, one to power off the box with (has to be done manually not from the remote) and then the other hand you'll hit OK then Menu
half second interval between each button press. so power off (at the box) > ok (remote) > menu (remote)