This documentation discusses how to export a file showing unregistered i>clickers. This is a useful tool to inform students wheter or not the clicker that they use has been registered.
Click on the Unregistered Students & Remotes icon, the little man with the red shirt image, above the student data.
Within the Unregistered i>clickers tab click the Export to CSV button.
A Pop up will appear asking where you would like to Save your file. Define a location and your file will be exported.