Dell U2413 - page 40

Input Source Use the Input Source menu to select between the different video signals that may be connected to your monitor.
Scan Sources
Press to select Scan Sources, the monitor auto detects either the DVI-D input or DislpayPort input or Mini DislpayPort input or HDMI input.
DVI-D
Select the DVI-D input when you are using the Digital (DVI) connector. Press to select the DVI input source.
DisplayPort
Select the DisplayPort input when you are using the DisplayPort (DP) connector. Press to select the DisplayPort input source.
Mini DisplayPort
Select the Mini DisplayPort input when you are using the Mini DisplayPort (Mini DP) connector. Press to select the Mini DisplayPort input source.
HDMI
Select HDMI input when you are using HDMI connector. Press to select the HDMI input source.
Color SettingsUse Color Settings to adjust the color setting mode.