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2.2.10 Pan/Zoom

This command is used to move or resize the viewport using the mouse or keyboard. Left+Drag Pans the viewport up and down, left and right keping it within the boundaries of the layout. Right+Drag selects an area of the screen to zoom into. The "0"- key resets the display to the origin but leaves the zoom as is. Keys between 1 and 9 set the zoom to that zoom level. The "e" - key resets the origin to zero and the zooms to show the whole layout.