The detection circuits are on Out 1. So if you were connected to Out 2, you got invalid scan data. Out 1 would have still returned data, but it would have been the noise levels on the connection as you had nothing wired.
Just start over wired to Out 1.
When you want to select a different Detect Setting to analyze, please click on Analyze to re-evaluate and it will provide a window to select the file.
For more details, please check: