The Updates page lets you choose when synchronizations with the server should take place.
Use default server defined settings
Select this option if you wish to use the synchronization schedule defined by the administrator.
This may be at regular intervals or based on a schedule defined by the administrator on the server computer.
Synchronize every n minutes
Select this option if you wish to synchronize with the server computer at regular intervals.
You may enter the number of minutes between synchronizations.
Synchronize according to a schedule
Select this option if you wish to define the schedule for synchronization. You can then press the Schedule... button
to define your synchronization schedule.