You connect the device via USB-C cable to your PC and open the software. You can programm the USB and the DP button with an additional command. You have also in total 10 virtual control buttons which can be set with individual HEX or ASCII Code to control your sink device like Vol- / Vol+ or change the inputs.
Apart from this you can also change the EDID Table. The Transmitter has pre-definded EDID tables integrated. Default EDID Table supports the standard VESA Timings.