In this exercise, you will use Object Viewer navigation tools to pan and zoom in and out of parallel views and move in and out of perspective views. The initial view in Object Viewer is parallel by default.

1. Click the Zoom icon (3rd icon from the right, top row) and then move your cursor to zoom in and out.

2. Click the Pan icon (4th icon from the right, top row) and then move your cursor to pan around.

3. Click the Perspective icon (2nd icon from the left, bottom row) and then move your cursor to move in and out.

   Use additional zoom icons to specify zoom parameters in parallel view.

4. Click the Orbit icon (2nd icon from the right, top row) and then move your cursor to rotate the view in all three axes (X, Y, and Z) simultaneously.

5. When you have finished viewing the elevation banding, close the Object Viewer.

6. If needed, use the UNDO command to restore the drawing to its previous state.

   Use the following steps to erase the range view layers.

7. On the Terrain menu, click Terrain Layers Range Layers.

8. Press ENTER to accept the default, Erase, to erase the range view layers.