Click Select 
as you navigate around your model to select an object.
Application-Specific Information
Smart Construction Select Information
SmartPlant Markup Plus Select Information
Smart 3D Select Information
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When an object is selected, press and hold the left mouse button to encircle or rotate
around the object. The encircle point is the current center point; not the center
of the selected object(s).
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Select mode stays active until you click the Select control in the 3D Navigator.
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You can use the CTRL key to select multiple objects.
SmartPlant Review Select Information
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Click Select in the 3D Navigator to enable the SmartPlant Review Select mode.
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When you select an object, it remains highlighted until you select another object
or press ESC.
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Select mode/Auto-Highlight stays active until you select any other Mouse Drag mode.
