Always Synchronize Map Windows
Select this check box to synchronize the open Map windows for the session.
Synchronize All Map Windows Now
Use this button to begin the synchronize windows session.
Synchronize Windows Options
Synchronize Map Center
Use this check box to center the synchronized Map windows.
Synchronize Map Zoom
Use this check box to ensure that zooming in one Map window equals the zoom characteristics of another window.
Use Front Map Window's Projection System for Synchronization
Use this check box to ensure that Projection system of the front Map window is used for synchronization.
OK
Use this button to accept the selections and changes you chose in this dialog box.