Technical data

102 Chapter 8
List Sequencer Measurement Results
Sequence Analyzer measurement results
List Sequencer Measurement Results
To query the actual average count of a specified analysis step:
:FETCh:LSEQuencer[1]: ACQuire[1]|2|...|512:ASTep[1]|2|...|1000:AVERage?
:READ:LSEQuencer[1]: ACQuire[1]|2|...|512:ASTep[1]|2|...|1000:AVERage?
:MEASure:LSEQuencer[1]: ACQuire[1]|2|...|512:ASTep[1]|2|...|1000:AVERage?
The returned actual average count should be equal to the Avg Number if Ignore Error In Average is OFF,
and might be less than or equal to the user setting Avg Number when Ignore Error In Average is set to
ON.
Asynchronous FETch SCPI commands are used to get the results back as soon as possible once the
queried results are available. Unlike the normal FETCh commands, the asynchronous FETCh
commands do not require you to wait for completion of the entire sequence. For example, you can get the
results of the 1st acquisition while the instrument is performing the 2nd or the 3rd acquisition, provided
you are using asynchronous FETCh commands.
:FETCh:LSEQuencer:ASYNc:ACQuire{1:512}:STATe?/qonly/
This scpi command is used to query if the results of the specified acquisition are available. If it returns 0,
that means the results are still in calculation. Otherwise, it means the specified acquisition results are
ready to query.
:FETCh:LSEQuencer:ASYNc:ACQuire{1:512}?/qonly/
Return the results of specified acquisition once the results are available, whether the whole sequence is
completed or not.
NOTE This SCPI command will be blocked until the results are ready. The results definition is
the same as for :FETCh:LSEQuencer:ACQuire{1:512}?/qonly/
FETCh:LSEQuencer:ASYNc:ACQuire{1:512}:ASTep{1:1000}?/qonly/
Return the results of specified analysis step once the results are available, whether if the whole sequence
is completed or not.
NOTE This SCPI command will be blocked until the results are ready. The results definition is
the same as for
:FETCh:LSEQuencer:ACQuire{1:512}:ASTep{1:1000}?/qonly/
:INITiated:
This SCPI command provides the capability to indicate if the sequence has finished its initialization. It
won’t return until the instrument is ready to perform a capture.
NOTE The MEASure query MEAS:LSEQ1|2|3? presets the test set to the default state and
returns default results. This has limited application, as a preset returns the Sequence
settings and Meas Setup parameters to their default settings, so the results are not useful.
For more detailed information about the SCPI commands above refer to the Sequence Analyzer online
help (or in pdf format, the User’s and Programmer’s Reference).