| # Controlling 2 Parameters (tfcat0500m000) This session contains: A history list of parameter sets and their effective dates The current parameter set, at the top of the list (without an effective date) To view historical settings, double-click on the historical parameter sets. To view or change the current parameter settings, double-click the set without an effective date that appears at the top of the list. If you make the required changes and save the new parameter set, LN performs the following actions: Adds the new set to the history list Updates the current set (at the top of the list) You can use the Print Controlling 2 Parameters (tfcat0400m000) session to print and compare the parameter settings. Note Click the Find Record button to enter an effective date. Date The date and time when the parameters become valid. The parameters are valid until the effective date of a more recent parameter setting. Description The description of the parameter set. For example, you can indicate why you change the parameters. |