Here are the quick user guide to help you use the monitor. You can also check the video to know how to use Intehill portable monitor U13NA. Shortcut- Up the circle menu key to adjust brightness, Down it to adjust volume Menu Key- Short press to enter OSD, enter next menu, Long press to enter factory mode Power Button- Long press to turn off the monitor, Short press to turn on the monitor, enter signal Input option, return to previous menu and exit menu One Cable Connection- When the monitor is connected to the device with multi-function USB Type-C, one USB Type-C cable connection will make the monitor work. HDMI or DP Connection- When the monitor is connected to the device with HDMI or DP, it requires extra power to make it work. Smart Case- The magnetic smart case can work as a stand while the monitor is being used. It can protect the screen from dust and scratches while the monitor is idle and taken outside.