In a video display apparatus A, a controller 9, while displaying video processed by a video processor 4 on a video display 3, displays LUTs 45R, 45G, and 45B which are tables of correction data for correcting luminance levels of red, green, and blue respectively. The controller 9 re-calculates and rewrites the correction data based on one adjustment point or two or more adjustment points P1 and P2 adjusted by the user.