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Touch back
When a Host is connected to a touchscreen display and a PC is presenting via a Button,
you can use a USB Type-A cable to connect the TOUCH SCREEN USB port located at the
rear of the Host to the touch input USB port of the display to control the interface of the PC
remotely via touch gestures on the display.
USB-A
The product only supports touch back for Windows-based PCs. It does not support touch back for
MacBooks or smartphones connected via their respective screencasting technology.