Selecting Calibration/Compensation Frequency Points - Keysight E4990A Help Manual

Sweeping... is displayed in the instrument state area at the bottom-
left of the screen.
Turning the Fixture Compensation On or Off
The fixture compensation function is automatically turned On after
completing each compensation data measurement. However, you can turn
the function ON or OFF as required.
1. Press Cal
Menu.
2. Toggle between ON|OFF at OPEN, SHORT and LOAD to make each
fixture compensation valid (ON) or invalid (OFF) for the
measurement.
Defining the Standard Values for Fixture Compensation
You can define standard values of OPEN, SHORT, and LOAD for fixture
compensation. Figure below shows the circuit models of the fixture
compensation kit used for the Agilent E4990A.
Each calibration's standard value can be confirmed and changed as follows:
1. Press the
Compensation Data Definition Menu.
2. Select one of the calibration data definition keys, Open Conduct (G),
Open Cap (C), Short Resist (R), Short Induct (L), Load Resist (R), Load
Induct (L), or Load Cap (C), to confirm or set the compensation data
definition.
3. Enter the desired value to specify the compensation data definition.

Selecting Calibration/Compensation Frequency Points

You can choose the type of frequency points to use in obtaining user
calibration data and fixture compensation data as follows:
During the calibration data measurement, the message
> Fixture Compen to bring up the Fixture Compensation
> Fixture Compen > Define Value to display the
Cal
Measurement
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