Keysight M9383B Measurement Manual page 113

5G NR Measurements Using the VSA Software
5G Waveform and EVM Analysis Using VSA Software
11.From the toolbar, select the Auto-Range dropdown and select EVM.
12.Select the Auto-Range icon to run the measurement for EVM optimization
on all eight channels. This may take a few minutes to complete.
M9383B/84B Measurement Guide 113