Keysight Technologies U9361G Quick Start Manual page 22

Example: RCal Calibration Using a UXA Signal Analyzer
7. Press the Calibrate Checked Rows button. You should see the following message:
With the RCal module connected to the signal path, press OK to start the calibration:
When the calibration completes, you should (briefly) see the message below:
The table column "Last Calibrated" should show a time stamp for the successful
calibration.
22 U9361C/F/G/M Receiver Calibrator Quick Start Guide