A display apparatus comprises a user input unit; an image processor
operating in one of a first image processing mode performing a first
image processing operation and at least one second image processing
operation on an input image signal, and a second image processing mode
not performing at least one second image processing operation on the
input image signal. A controller controls the image processor to operate
in one of the first image processing mode and the second image processing
mode, according to a manipulation of the user input unit. Accordingly, a
display apparatus performs in an image processing mode in which an image
processing time is reduced, according to a user's selection.