| 主权项 |
1. An image output apparatus comprising:
a communication unit configured to receive service information according to a prescribed protocol a display unit; and a controller configured to: extract a basic electronic program guide (EPG) contained in the received service information and control the display unit to display the extracted basic EPG in a basic layer, when a particular item is selected from the basic EPG displayed in the basic layer, search for data related to the particular item on a network, create a plurality of additional EPG groups based on found data, and configure a plurality of additional layers with different depths corresponding to the plurality of additional EPG groups, and control the display unit to display the plurality of additional EPG groups in the corresponding additional layers among the plurality of additional layers, while the basic EPG is being displayed in the basic layer. |
