Product FeaturesThe ST2420L/ST2421L flat panel display has an active matrix, Thin-Film Transistor (TFT), and Liquid Crystal Display (LCD). The monitor features include:■ ST2420L/ST2421L: 60.97cm (24 inches) viewable area display.■ 1920 x 1080 resolution, plus full-screen support for lower resolutions.■ Tilt adjustment capability.■ Plug and play capability if supported by your system.■ On-Screen Display (OSD) adjustments for ease of set-up and screen optimization.■ Software and documentation CD which includes an information file (INF), Image Color Matching File (ICM), and product documentation.■ Energy Saver feature for Energy Star compliance.■ Security lock slot.Identifying Parts and FeaturesFront ViewBack Viewl Safety Informationl Drivers and Documentation medial Quick Setup GuideFront View Front Panel ControlsLabel Description1-2 Shortcut keys*The default settings are Preset Modes and Brightness/Contrast.1 Shortcut key: Preset Modes (Default)2 Shortcut key: Brightness/Contrast (Default)3 OSD menu select4 EXIT5 Power On/Off (light indicator below Dell logo)