The analysis engine, em, will automatically determine appropriate lengths for the calibration standards used in the de-embedding algorithm. Normally, the Auto setting (default) produces efficient and highly accurate simulation results. In rare cases, you may wish to manually override the automatic lengths. Before manually overriding these settings, please be sure to read De-embedding.
The calibration lengths for Component ports are set in the Component Port Properties dialog box. This dialog box may be opened by double-clicking on a component port or by selecting the component, then selecting the command Object ⇒ Port Properties from the project editor main menu.