Click on the lock on the top right corner of the
Time Selection section to freeze the time selection parameters (Display Values, Aggregation and Time Range) for a report. All subsequent reports will use the same time selection parameters defined until it is unlocked.
Once the time selection is locked, all reports display a red lock beside the time range definition section.
To unfreeze the time selection parameters, just click on the red lock in the Display options. When unlocked, the lock icon displays as blue.