Appendix A SCPI Command Reference
MEASure subsystem
322 WCDMA Options Version 6.20
MEASure subsystem
The MEASure subsystem is probably the most important SCPI command
subsystem of the 4400. There, you will find all commands required to acquire
measurement results of the mobile under test.
:MEASure[:CONT]:AFANalyser:GROup
:MEASure[:CONT]:AFANalyser:ALL
Syntax
:MEASure[:CONT]:AFANalyser:GROup
Parameters
There are no parameters.
Description
Starts a continuous measurement of the audio tests, specified with the
:CONF:MEAS:GRO:AFAN command. To read out the latest measurement results,
use the :FETCh:AFAN:GROup command.
Notes:
– Please keep in mind that the start of a new AF test will always terminate all
other measurements (see section “The MEASure subsystem” on page 237 for
details).
– To perform any audio measurements on your Willtek 4400, the Audio Option
must be installed.
– For further details regarding group measurements, please refer to section “:MEA-
Sure:...:GROup” on page 244.
Query
The query form of this command will start the measurements and deliver back a
string, containing the latest set of measurement result values. All measurement
result values returned will be floating point real numbers. The order of the measure-
ment result values returned is as described below (see command
:MEAS:AFAN:ALL).
The single measurement result values are separated by commas.
Example
:CONF:MEAS:GRO:AFAN SIN,FREQ
:MEASure:CONTinuous:AFANalyser:GROup?
In this example, the group of measurements is defined by a SINAD measurement,
combined with an AF frequency measurement. The measurement result string
returned is: "1000.0,50.5".
Because of the internal order, the first measurement result value delivered back is
the audio frequency, the second one the SINAD.
Syntax
:MEASure[:CONT]:AFANalyser:ALL
Parameters
There are no parameters.
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