Recall State Definitions (Digital Demod)

Menu path: MeasSetup > Digital Demod Properties > Format > Recall State Definitions

Recall State Definitions allows you to recall user-defined custom digital modulation "state definitions" files (.csd extension). State Definitions file contains the constellation symbol states for multiple digital modulation formats. The default state definitions file is default.csd. To learn about custom state definitions file, see About State Definitions.

Recall State Definitions File Procedure

You must first create and save a custom States Definitions' file, see About State Definitions.
The default State Definitions folder location is:
%PROGRAMFILES%\Keysight\89600 Software <ReleaseVersion>\89600 VSA Software\Data\Default.csd.
To Recall a State Definitions file, click Recall State Definitions and navigate to your custom state definitions folder and select the"custom State Definitions.csd" file.
Verify that the new state definitions have been correctly loaded, click the View State Definitions drop-down to view the symbol state definitions.
Next verify that the state definitions are correctly applied to the current measurement. Open the IQ Meas Time trace to verify the constellation state location and open the Sym/Errs trace to verify the symbol data bits.
If the custom state definitions have not been correctly applied to the measurement, close and restart the 89600 VSA application.

The measurement State Definitions will persist until the VSA is preset. To preset the VSA, select Preset All (click File > Preset > Preset Setup or File > Preset > Preset All). Preset All will reset the digital demod format "state definitions" to the default "State Definitions" file (default.csd)values.