Under 3D CAD CATALOGS you have the possibility to define the level of detail.
 

1. Make sure that your are in the dialog area 3D CAD CATALOGS. 
    

2. On the right side under Actions, click on Edit CAD formats.
    

   

   
   -> The following dialog area shows up: 
    

   • Generation options (Level of Detail)

   • Selected Formats (Add CAD formats)
      

   
   
   

3. Define the Level of Detail.
    

   
   
   Note 
   The setting refers to the CAD model.
   The display in the 3D view is always "high".
   
   
4.  Confirm your entries with Save. 
   
   -> The level of detail has been changed.