Add a Datum Line to a Plot

  1. From the Datum Lines panel, select Horizontal or Vertical.
  2. Click Add.
    The datum line name is displayed in the datum list.
  3. Enter a new name for the datum line in the text box above the datum list.
  4. Press Enter.
    The new name is displayed in the datum list.
  5. By default, the Datum check box is active and the datum line is displayed in the plot.

For polar plots:

  1. From the Datum Lines panel, select Phase or Magnitude.
  2. Follow steps 2-5 above.