10 ATI Color Tab
To enable or disable a display
If the enable/disable button is green, it indicates the device is enabled. If it is red, it indicates the device is disabled. If the button is greyed out, the device is not an option. For example, if there is only one monitor connected, all buttons will be grey.
1Click the enable/disable button 
for the display device you want to enable/disable.
2Click OK or Apply to save the changes.
Note: Due to power restrictions, you can normally only have two devices active at the same time; for example, two monitors or a monitor and a TV.
To save a display-device scheme
1Click the enable/disable button 
for the display devices you want to have active.
2Type a name into the Scheme
3Click Save to save the scheme.
ATI Color Tab
The ATI Color tab allows you to configure Gamma, Brightness, and Contrast color settings for both your desktop and full screen 3D environments. You can also save settings to a color profile for easy recall. In addition, you can assign unique hotkey combinations that allow you to adjust Gamma, Brightness, and Contrast color settings within your full screen 3D applications.