To adjust the contrast, press the button [1] on the front of the monitor. 

Press the arrow buttons on the front control panel of your monitor to scroll through the choices. 

Some controls on the Main Menu, such as Contrast/Brightness, may be listed in pairs. 

Press button [2] to toggle between control pairs after displaying a control screen. 

To save the control setting and Exit the menu, press button [1] twice.

Brightness adjusts the background black level of the screen image. 

As a shortcut, you can also press one of the arrows to display the Contrast/Brightness control screen.

Note: If your monitor supports an sRGB feature, enabling that feature will disable the Contrast and Brightness. Also, when using an HDMI connection, these settings may not be enabled.