Select Window - Toolbars and Panels - View to toggle the display of the View tool bar in the current density viewer tab. When a check mark appears in the menu the View tool bar is displayed.
Button
Command
View - Zoom
View - Zoom In
View - Zoom Out
View - Full View
View - 3D Current View
View - Rotate (3D)
View - Scrub Zoom (3D)
View - Pan (3D)