Zooming in on Data
You can zoom in to better view a selected portion of your data, and then zoom back out when finished.To do this;
1. Click the Data Selection button.
2. Select the data by pressing MB1 and dragging the mouse to draw a rectangle around the region of interest.
3. Select Edit=>Zoom In. The zoom area appears.
4. When finished, select Edit=>Zoom Out to restore the view to its original perspective.