Blend Classification on the Map, Profile, 3D Viewer and Immersive Viewer toolbars. can blend one or more classification into a display mode when set to something other than classification. Use the Blend Classification button to activate this feature.

The viewing options are set using Live View. Classes that are checked in the Blend column will override the default display mode when the Blend Classification button is enabled in the toolbar.

Figure 1: Blend setting by classification in Live View