The zoom and pan controls are located to the
            right of the image window controls. Use these controls to zoom in,
            zoom out, and pan the image. If more than one viewport is displayed
            in the image window, select the viewport you want to pan or zoom.
         
         To zoom the image window:
         
         
            - Do one of the following to zoom in:
               
               
                  - Press Ctrl+spacebar and
                     drag right.
                  
 
                  - Press Ctrl+Shift+up
                        arrow.
                  
 
               
             
            - Do one of the following to zoom out:
               
               
                  - Press Ctrl+spacebar and
                     drag left.
                  
 
                  - Press Ctrl+Shift+down
                        arrow.
                  
 
               
             
            - Click Home to restore the default zoom
               factor.
            
 
            - Ctrl-click
               Home to fit the image window to the viewport.
            
 
         
         To pan the image window:
         
         
            - Click Pan.
               
The cursor changes to
                  a grabber hand.
               
             
            - Move the grabber cursor into the image
               window.
            
 
            - Press down and drag the image window.
               
TipYou can also hold
                     down spacebar and
                     then drag over the image window to pan it. In the Text module, use Ctrl+Shift+spacebar to pan.