About Your Monitor | 9Bottom View1 2 3 4 56 78Label Description Use1 AC power connector To connect the monitor power cable.2 HDMI connector Connect your computer with HDMI cable.3 DP connector (in) Connect your computer with DP cable.4 DP connector (out) DP output for MST (multi-stream transport)capable monitor. To enable MST, refer to instructionon section “Connecting the Monitor for DP MSTFunction”.NOTE: Remove the rubber plug when using DP outconnector.5 Audio line-out port Connect speakers to playback audio coming throughHDMI or DP audio channels.Only supports 2-channel audio.NOTE: The audio line-out port does not supportheadphones.6 USB upstream port Connect the USB cable that comes with your monitorto the computer. Once this cable is connected, youcan use the USB downstream connectors on themonitor.7 USB downstream ports(2)*Connect your USB device. You can only use thisconnector after you have connected the USB cableto the computer and USB upstream connector on themonitor.NOTE: Port with battery icon supports BC 1.2.8 Stand lock Lock the stand to the monitor using a M3 x 6 mm(U2719D/U2719DX)/ M3 x 8 mm (U2419H/U2419HX)screw (screw not included).*To avoid signal interference, when a wireless USB device has been connected to a USBdownstreamport, it is NOT recommended to connect any other USB devices to the adjacentport(s).