Hi Alain, you may wish to join the merged Digikeijs & YaMoRC forum at?
/g/DigikeijsSecondly, you don’t configure the YD8116 via the YD7001. You ensure power is disconnected/off to the YD8116 and connect it to your computer directly via USB. The USB provides the power. Then. Run the YD8116 program and configure. When done, disconnect USB and turn on the system. Make sure you have downloaded the manual..