114 Keysig ht N9923-90001 User’s GuideCalibration for NA, CAT, and VVM ModesView CalFrom the Choose Calibration screen (see “How to Perform a Calibration” onpage 104), press View Cal to see the following screen:The top box shows the properties of the current calibration that you performedand the displayed S-parameters that it is correcting.The bottom box shows the S-parameters that are displayed but NOT correctedby the current performed calibration, but rather the CalReady calibration.Learn more about CalReady in “CalReady” on page 104.Calibration TypeThe FieldFox simplifies the calibration process by recommending the mostaccurate and efficient calibration type based on the displayed S-parameters.However, there may be times when you may want a little more accuracy or alittle faster sweep time. The following information can help you learn about thevarious calibration choices.