Defining cycles - Interpolation Calendar tab
          You must specify this information on the Interpolation Calendar tab.
         
         - Interpolation Calendar
 - 
            The name of the Interpolation Calendar that defines the interpolation values for each day of this cycle.
            Note: The Interpolation Calendar is used with the Period Spread Measure option to create a default cycle spreading measure for period interpolation.
 - Period Spread Measure
 - 
            The measure to populate with period interpolation values from the Interpolation Calendar.
            Note: The measure type ‘Data’ cannot be used.