The Dell OptiPlex 5055 Tower Quick Start Guide describes how to connect the keyboard and mouse, connect the network cable (optional), and connect the display.
The Dell Latitude 7390 Quick Start Guide. The product supports Intel 7th and 8th Gen processors and an optional infrared camera with narrow border touch screen.
Yaskawa Siemens CNC series operation manual, introduces the operation panel, mechanical operation panel, macro variable screen, shared operation area and other contents.