LEVEL ADJUST DISPLAY APPARATUS AND METHOD FOR ON-SCREEN DISPLAY MENU IN IMAGE DISPLAY DEVICE

A level adjust display apparatus and method for an on-screen display (OSD) menu of an image display device which displays function control targets in the form of an OSD menu on a screen is disclosed. The apparatus includes a key input unit including a vertical adjust button and a horizontal adjust button for selecting and adjusting the function control targets, an OSD menu generation unit enabling respective level adjust directions of the function control targets to be displayed vertically or horizontally, and a control unit enabling a disposed direction of the vertical adjust button or the horizontal adjust button, a level adjust display direction for each of the function control targets and a vertical direction (position) or a horizontal direction (position) actually implemented on the screen with regard to the function control targets to correspond to each other, whereby the respective adjusting directions of level adjust buttons, the moving direction of OSD menu level meter and actual moving directions (positions) of function control targets implemented on the screen are in accordance with each other.