To turn on selection sensitivity for the Orbit tool
Navigate panel
SteeringWheels flyout
click one of the View Object or Full Navigation
wheels.
The extents of any objects that are selected before the wheel is displayed are used to define the pivot point for the Orbit tool. If no objects are selected, the pivot point used by the Orbit tool is the one defined by the Center tool.
Toolbar: Status
bar
SteeringWheels