Digital TV, digital broadcasting system and control method thereof

摘要

A digital broadcasting system having a digital TV including a broadcasting base station which transmits a broadcasting signal having a program and key combination information configured to control a function by the program; and the digital TV includes a user inputting part having a plurality of keys; a receiving part which receives the broadcasting signal; a detecting part which detects the program and the key combination information provided through the broadcasting signal; a storing part which stores the program and the key combination information outputted by the detecting part; and a controller which performs a function of the combination of the inputted keys on the basis of the key combination information.