Synchronize legend min/max in compare mode
By default, the legends are not synchronized for results that use the standard results viewer but are synchronized by default for results that use the online results viewer.
Standard results viewer: Synchronize Min/Max
To synchronize the legend min/max
In the Compare tab, select 
Synchronize > Synchronize Min/Max.
Note: The legend scale is synchronized when the icon background is blue.
To desynchronize the legend min/max
In the Compare tab, select Synchronize > Synchronize Min/Max.
Note: The legend scale is not synchronized when the icon background matches the rest of the ribbon.
Online results viewer: Synchronize Legends
To synchronize the legend
In the Compare tab, select 
Synchronize > Synchronize Legends.
Note: The legend range and Result Settings are synchronized when the icon background is blue.
To desynchronize the legend
In the Compare tab, select Synchronize > Synchronize Legends.
Note: The legend range is not synchronized when the icon background matches the rest of the ribbon.