Manual
Page 33
... brightness use the Brightness control, and the overall contrast use one of color by using the Gamma control. These settings are exclusively for resolving certain incompatibilities within 3D applications that use the Contrast control. - 33 - English API Specific The 3D API-Specific dialog helps to select a particular API-specific feature...
... brightness use the Brightness control, and the overall contrast use one of color by using the Gamma control. These settings are exclusively for resolving certain incompatibilities within 3D applications that use the Contrast control. - 33 - English API Specific The 3D API-Specific dialog helps to select a particular API-specific feature...