Press and hold don middle buttom,then drag} pan



Press and hold down the middle mouse button,then the left (or right ) mouse buttom,then drag.}

Press and hold down the middle mouse buttom then click the left mouse ,then drag (still holding the middle mouse buttom down)

Press and hold down CLTR and the middle mouse buttom ,then drag.

Fit all in zooms the current view out so that all the document contents fit into the space avaiable in the geometry area.

Normal View,then select a plane

The object is projected onto the seected plane so you can now view along a normal to the plane.