Method 1
1. Click anywhere in the geometry area.
2. Position your pointer over the object you want to select.
3. Press any keyboard arrow.
The preselection navigator appears.
Method 2
1. Select the Tools->Options... command. In the General category, select the Display sub-category then the Navigation tab.
2. Check the option "Display the preselection navigator after ... seconds", set the spinner to the time delay, and click OK.
The spinner sets the amount of time, in seconds, which elapses before the preselection navigator appears after pointing at an object.
3. Click anywhere in the geometry area using the middle mouse button, dragging slightly the cursor.
4. Point to the part of the object you want to select.
5. Press any keyboard arrow.
The selection tool is displayed after the time delay you set:
