Datebook
•Reminders — If this option is set to Only When On, your phone reminds you of events only when it is on. If this option is set to Always, your phone powers itself on when you receive reminders. To avoid draining the battery, your phone then powers itself off after a short time.
•Delete After — sets the amount of time Datebook waits to delete an event after is occurs.
•Time Shift — lets you shift the times of all Datebook events. This is useful if you are traveling to a different time zone.
•Alert Timeout — sets the amount of time a tone continues to sound when you receive a message notification, call alert, or Datebook reminder.
•Clock — controls whether the time and date appear on the idle screen; sets time and date format; sets year.