Clicking on the Show Map Overview icon located in the lower right corner of
the map will open the Map Overview.
The overview map shows the current map extent in a shaded
rectangular area overlaid on a smaller scale map. This assists you
in identifying where the current map window is viewing.
Clicking and dragging the shaded rectangular area to a new
location will change the map extent match the new location of the shade
rectangular area.
Clicking on the Hide Map
Overview icon will hide
the Map Overview.
Clicking on the Maximize
icon will
maximize the Map Overview to file the map area.
Clicking on the Restore
icon will
return the Map Overview to its original size.
Clicking and dragging the shade rectangular area to a new
location will also return the Map
Overview to its original size along with changing the extent of
the map.