◀ ▶English● Black Tone (Off / Dark / Darker / Darkest): Select the black level to adjust thescreen depth.● Dynamic Contrast (Off / Low / Medium / High): Adjusts the screen contrast.● Shadow Detail (-2~+2): Increases the brightness of dark images.● Gamma: Adjusts the primary color intensity.● Expert Pattern (Off / Pattern1 / Pattern2): Use the Expert Pattern functionto calibrate the picture. If the OSD menu disappears or a menu other than thePicture menu is opened, the TV saves the calibration and the Expert Patternwindow disappears.