Hello,
I also have trouble to control two Lightcrafters with a PC via USB.
Should your answer be worked for Lightcrafter6500 as well??
I am using two Lightcrafter6500, then I cannot find how to change the IP address using the GUI for Lightcrafter 6500/9000.
Either Lightcrafter6500 can be connected to the GUI, but not simultaneously.
And I downloaded the LightcrafterGUI, which might be mentioned in your first link, I cannot connect either Lightcrafters to the GUI.