User Manual

Install the Virtual Keyboard
Open a terminal and run the command:
sudo apt-get install matchbox-keyboard
After the installation is done successfully, the keyboard is in the system
menu,open as follows:
Using as Extension Screen for PC
Connect the computer and the main board via an HDMI cable, and the
USB port of the PC and the screen with a 4-pin USB cable(you may need
an USB extension cable for connection). Now you can use the screen as
an extension one for your computer.