butel software

After updating to Butel ARC536 PRO version 2.7 build 2, I’m experiencing problems with this software. Whatever frequency I enter, ARC 536 Pro changes it to 1300.000000. whatever I do, using dots, comma’s, old FL, new FL , old system, new system, using the TAB key, using the arrow keys, entering...

I've installed Butel Scanning Software on a new HP computer that has Windows 10 Version 1709. When I plug in the USB1 I get an error message that says, "Serial port is not available or used by other software." What is the solution for this? I'm unable to even find the device manager so that I...