On the Calculation Data page for an event, properties specify the data to use for calculating results when User defined (default) is selected as the parameter definition on the Data Source page.

The properties shown on this page depend on the selection for FTA > FTA calculation type in the System file properties. For more information, see FTA System File Properties. In these file properties, General > Failure Rate Multiplier specified the units for failure rate. For more information, see General System File Properties.

The following topics describe the properties for events in each type of fault tree: