To Control ViewCube Orientation Relative to UCS
Right-click the ViewCube and click ViewCube Settings.
Click or clear Orient ViewCube To Current UCS and click OK.
Related Concepts
About the ViewCube UCS Menu
FAQ: I created a new UCS from the ViewCube UCS menu. Why isn't it displayed in the list?
Related Tasks
To Work With ViewCube Display Options
To Control the Display of the UCS Menu
To Switch to a Different UCS
Related Reference
Commands for Controlling the ViewCube