| Zoom In: Click 'Zoom In' button and drag a rectangle or click on the map. |
| Zoom Out: Click the 'Zoom Out' button and then click on the map. |
| Full View : Press 'Extent' button and click map. |
| Pan: Click 'Pan' button and drag the map with your mouse. |
| Reference: Select an area in the 'Reference Map' to get the corresponding mainmap. |
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