Display apparatus and control method thereof

A display apparatus to display a picture on a screen according to an input video signal, comprising:

• an auto-adjustment button to set an auto-adjustment function;
• a mode settling part to set an auto-adjustment mode;
• and
• a controller to selectively implement one of a detailed auto-adjustment function and a quick auto-adjustment function with respect to an input video signal according to the auto-adjustment function and the auto-adjustment mode set in the auto-adjustment button and the mode setting part, respectively.

A method of controlling a display apparatus to display a picture according to an input video signal, the method comprising:

• detecting whether the input video signal is changed in a display mode according to the input video signal;
• implementing a quick auto-adjustment function when the input video signal is changed in the display mode;
• selecting an auto-adjustment function by operating an auto-adjustment button provided in the display apparatus;
• and
• implementing a detailed auto-adjustment function according to the selection of the auto-adjustment function of the auto-adjustment button.

A method of controlling a display apparatus to display a picture according to an input video signal, the method comprising:

• setting an auto-adjustment function;
• setting an auto-adjustment mode;
• and
• selectively implementing one of a detailed auto-adjustment function and a quick auto-adjustment function according to the set auto-adjustment function and the set auto-adjustment mode, respectively, with respect to an input video signal.