Press A to zoom in; press Z to zoom out. You can try using Shift and Ctrl (similar to QuickTime VR) to zoom in and out, but depending on your system , Java may not reliably let you use these keys for zooming. If you find you can't use Shift or Ctrl, be sure to use A or Z to zoom in or out instead.

To pan across the image, drag the pointer in the direction you want. If you're using a Macintosh, you must drag within the applet window to pan across the image. In Windows, you can drag across the screen, crossing the applet boundaries, to pan the image. You can also use the arrow keys to pan the image. Hit "Reload" or "Refresh" to start the panorama automatically