WILLTEK 4400 Mobile Phone Tester Series, Руководство пользователя

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Chapter 8 SCPI
The Measurement subsystems
362
4460 GSM System Option and 4468 EDGE System Option Version 12.20
FETCh:BLOCkdata:...? The commands with the
:BLOCkdata
command element are used to read out
all the single measurement results necessary to generate the following result
graphics:
– shape of the TX burst (burst received by the 4400 from the mobile)
– phase error
– modulation spectrum of burst received by the 4400 from the mobile)
– AF spectrum (the audio spectrum)
FETCh<{:measProp}> The
:FETCH<{:measProp}>
commands will read out the latest result of the
measurement specified with
measProp
.
Syntax FETCh:LAST ?
Description
Returns a string, containing the latest measurement result(s) for the
MEASure
com-
mand issued last.
Format and number of the measurement result values contained in the string are
depending on the preceding
MEASure
command.
Examples MEASure:GSM:RFTX:PPEAk
FETCh:LAST?
will return the latest result (e.g.
5.84
).
MEASure:GSM:ARRay:RFTX:PPEAk 5
FETCh:LAST?
will return the entire array (e.g.
5.84,5.81,5.94,5.74,5.79
).
MEASure:GSM:ARRay:RFTX:PPEAk? 5
FETCh:LAST?
In this case, a timeout will occur as the
:MEAS
query will return the entire array and
there will be no measurement result values for the
:FETCh
command to collect.
Syntax
FETCh <{:measProp}>?
Description
Returns a string, containing the last measurement result(s) obtained for
measProp
.