- Pan
- Rotate
You can use the Rotate 
tool (Heads-up View toolbar) to rotate part and assembly models, as well as drawing, detail, and section views of drawings.
- Zoom
- Reset
The Reset 
tool returns the model or drawing to its state when opened. When you click , all rotations, pans, component moves, and orientation changes are undone.
- Select
Use the Select tool 
to select items (model entities, drawing views, etc.) in a document.
- Middle Mouse Button