Hello first, this switch is already great. In the software I found that considerable problems. I lacked the appropriate operating instructions. I had already from ELV instructions. But she was only half-heartedly and you had to use a Super magnifying glass to find important details for programming. From the few details I had finally recognized the Logig the program and now I can adjust everything. With Dbase I had previously already created many programs and thus had prior knowledge. So, not for everyone ...