The XML calibration files for sensors can be located in VeloView. To access the files follow the following steps...
Note: You must have VeloView installed on your computer
1. Open up "This PC" in start menu
2. Double click on the "(C:)" drive
3. Next, click on "Program Files"
4. Scroll down and click on "VeloView"
5. Finally, double click on "Share" and you should see all of the XML files in this folder.
Please see the attached images below for further assistance...