Patent ID: 8700598

Claim:
A method for searching a manual in an image display device including a display unit, a key input unit and a control unit, comprising: displaying, by the display unit, a plurality of menu items for setting functions of the image display device; receiving, by the display unit, a user input for selecting one of the plurality of displayed menu items; determining, by the control unit, whether an information key for the selected menu item is input from the user; performing, by the control unit, a function corresponding to the selected menu item, when the information key is not input; and displaying, by the display unit, at least one manual page corresponding to the selected menu item, when the information key is input, wherein, if only one manual page corresponds to the selected menu item, the displaying of the manual page comprises displaying the manual page corresponding to the selected menu item on a specific region of a screen, and wherein, if a plurality of manual pages corresponds to the selected menu item, the displaying of the manual page comprises: displaying a list having a plurality of information entries, each information entry being a keyword for an image included in one of the plurality of manual pages; receiving a user input for selecting one of the plurality of information entries; and displaying the manual page corresponding to the selected information entry simultaneously with the list.