You create a calculated exception to schedule a recurring event that takes precedence over a scheduled weekly event.
In WebStation, in the System Tree pane, select the schedule you want to add the calculated exception event to.
Click anywhere on the schedule.
Under Event type , click Exception .
Under Exception type , click Calculated .
Select All day if the exception event is to be on or off all day.
In the Start time column, double-click and type a start time for the exception event.
In the End time column, double-click and type an end time for the exception event.
In the Value column, double-click and type a value for the exception event.
In the Name box, type a name for the exception event.
In the Priority box, select a priority for the exception event to make it override conflicting events with lower priority.
In the Month box, select a month.
In the Week of month box, select a week of the month.
In the Day of week box, select a day of the week.
Click OK .
To help you avoid mistakes, WebStation warns you when you make changes in a schedule or calendar for today’s date.