Luminance 
 
1.  Press  (Menu) to display menu. 
2.  Press< or >to select    (Luminance), and press to enter. 
3.  Press< or >to select submenu, and press to enter. 
4.  Press< or >to adjust. 
5.  Press to exit.   
 
Contrast from Digital-register. 
Disable dynamic contrast ratio 
Enable dynamic contrast ratio 
Adjust the response time.