The Settings tab is where you can specify whether or not a report is included in the transitioning sequence, and how long it will remain on screen before being swapped out.

Include In Report Transitioning Display Sequence
This parameter indicates whether the corresponding report is included within the automatic display switching sequence of the Reporting Portal. The report is included when the setting is checked on, although display switching only occurs when the Transitioning Feature is also turned on.
Report Display Interval Time
Controls the interval that the report is displayed for within the overall transitioning sequence.

The above is a high-level overview for each section of the Settings tab. For a detailed explanation for each option press the F1 key, or press the Help button, from the Settings tab.