Operating the Monitor 33NOTE: Accuracy of sRGB, AdobeRGB, CAL1 andCAL2 are optimized for RGB input color format.For optimal color accuracy of sRGB and AdobeRGB,turn Uniformity Compensation to Off in the OSD.NOTE: Factory Reset will remove all calibrated datain CAL1 and CAL2.• Custom Color: Allows you to manually adjustthe color settings. Press the and buttonsto adjust the Red, Green, and Blue values andcreate your own preset color mode.Use the and buttons to select the Gain,Offset, Hue, Saturation.- Gain: Select it to adjust input RGB signal gain level(default value are 100).- Offset: Select it to adjust RGB black-level offsetvalue (default value are 50) to control your monitorbase color.- Hue: Select it to adjust RGBCMY hue valueindividually (default value are 50).- Saturation: Select it to adjust RGBCMY saturationvalue individually (default value are 50).Zonal ColorSpaceAllows you to display different color spaces onthe left and right half of the screen. When ZonalColor Space is On, the right half retains the currentselected color space. You can select the color spaceof the left half with options on the list.• Off: Disables zonal color space feature.• Adobe RGB: This mode is compatible withAdobe RGB (99% coverage).• sRGB: Emulates 100% sRGB.• CAL1/CAL2: User calibrated preset mode usingDell Ultrasharp Color Calibration Software orother Dell approved software.Dell Ultrasharp Color Calibration Software workswith the X-rite colorimeter i1Display Pro. Thei1Display Pro can be purchased from the DellElectronics, Software and Accessories website.NOTE: When Zonal Color Space is turned on, theleft side of the screen will adopt the brightnesssetting of the right side. Furthermore the factoryUniformity Compensation and Dynamic Contrastwill be disabled.