David is doing the lighting control system installation. There are some points make him confused during the process.
He opens the application, press the menu and find there is the technical support part. There are different categories of the installation guides.
He finds several guidance videos. One is about how to do the low voltage tape light soldering and how to the connect two parts together, which is what he really needs. After watching that video, he get the information and know how to do the connection.