5 ODROID-XU4 USER MANUALThis cable is also available from Hardkernel, and may be paired withthe SmartPower peripheral, which is an excellent bench power supplywith variable voltage.MonitorThe XU4 offers an HDMI port for connecting an HDMI-com-pliant monitor. It is recommended to use the Hardkernel suppliedHDMI cable, but many other high quality standard cables shouldalso work. There are some reported issues with cables that lackHDMI grounding wires inside the cable, so it is best to order thiscable directly from Hardkernel or one of its certified distributors.The image below shows the use of an ODROID-VU HDMI touch-screen monitor supporting 10-point touch control.ODROID-VU HDMI MonitorKeyboard and MouseNearly all USB HID-compliant keyboard and mouse will workwhen connected to one of the four USB ports. The use of a bluetoothmouse or keyboard requires a bluetooth dongle and, for first pairing,either an USB mouse/keyboard, an SSH access from remote or aworking touchscreen.To pair a bluetooth keyboard or mouse via the Linux console, runthe following command in a Terminal window:$ sudo hcitool scanPush the Connect button on the bluetooth keyboard or mouse toinitiate a connection with the ODROID, and the following output shouldappear in the console:Chapter 1