MENU : Press MENU button. Then you will see main menu screen.
Press again. Then choose the item and adjust by + and .
H . Position
Adjust Horizontal Position.
V . Position
Adjust Vertical Position.
Sharpness
Adjusts background black level of screen image.
Phase
Adjust DOT CLOCK level of screen image.
Clock
Adjust DOT CLOCK level of screen image.
Exit
Exit the current menu page or made.