Show Shaded/Realistic Material in Viewport
 
 
 
Command entry: (Material Editor): Compact Show Shaded/Realistic Material in Viewport flyout
Command entry:Compact Material Editor menu bar Material menu Show Materials in Viewport As
Command entry:Main 3ds Max menu Views menu Show Materials in Viewport As
Command entry:(Slate Material Editor: Toolbar Show Shaded/Realistic Map in Viewport flyout.)

This control lets you switch between displaying maps as shaded (Phong) or realistic (full detail) in viewports/

The control for showing maps in viewports is a flyout with four possible states:

For details, see Viewport Display of Materials .