When you add a Stereo or Mono Analyzer in Action, a number of nodes are added to the schematic.
To add an analyzer to a scene:
The image window automatically switches to an analyzer view to help you view the interactive result of your analysis.
In the schematic view, you can see that an Analyzer node is added to the scene. The number in brackets next to the name of the Analyzer node indicates the media used for the analyzer. The Analyzer node is parented to a Camera FBX node, which is synced to the analysis of the Analyzer node, as well as an Image (or Stereo Object) node with an axis.