A television controlled by a remote controller, comprising: a tuner configured to receive a broadcast signal including an EPG signal; an EPG signal processing module configured to extract a category information from the broadcast signal including the EPG signal and to analyze the extracted category information; a display module configured to display a content corresponding to a video on a main screen of the television; an interface module configured to receive an enlargement input request from the remote controller; and a controller configured to: automatically enter an enlargement mode in accordance with the extracted category information of the video included in the broadcast signal, wherein, in the enlargement mode, the controller is configured to: initially display a window including the content displayed on the main screen and an indicator for selecting a specific area of the displayed content within the displayed window, receive a command from the remote controller to select the specific area of the displayed content within the displayed window; enlarge the selected specific area of the displayed content, and display the enlarged selected specific area of the displayed content on the main screen. a tuner configured to receive a broadcast signal including an EPG signal; an EPG signal processing module configured to extract a category information from the broadcast signal including the EPG signal and to analyze the extracted category information; a display module configured to display a content corresponding to a video on a main screen of the television; an interface module configured to receive an enlargement input request from the remote controller; and a controller configured to: automatically enter an enlargement mode in accordance with the extracted category information of the video included in the broadcast signal, wherein, in the enlargement mode, the controller is configured to: initially display a window including the content displayed on the main screen and an indicator for selecting a specific area of the displayed content within the displayed window, receive a command from the remote controller to select the specific area of the displayed content within the displayed window; enlarge the selected specific area of the displayed content, and display the enlarged selected specific area of the displayed content on the main screen. automatically enter an enlargement mode in accordance with the extracted category information of the video included in the broadcast signal, wherein, in the enlargement mode, the controller is configured to: initially display a window including the content displayed on the main screen and an indicator for selecting a specific area of the displayed content within the displayed window, receive a command from the remote controller to select the specific area of the displayed content within the displayed window; enlarge the selected specific area of the displayed content, and display the enlarged selected specific area of the displayed content on the main screen. initially display a window including the content displayed on the main screen and an indicator for selecting a specific area of the displayed content within the displayed window, receive a command from the remote controller to select the specific area of the displayed content within the displayed window; enlarge the selected specific area of the displayed content, and display the enlarged selected specific area of the displayed content on the main screen.