Operating Manual 1302.6163.12 - 03 6.51
R&S ESU Remote Control – Description of Commands
CALCulate Subsystem
6.5.4.1 CALCulate:MARKer:FUNCtion Subsystem
The measurement window is selected by CALCulate 1 (screen A) or 2 (screen B).
CALCulate<1|2>:MARKer<1...4>:FUNCtion:FPEaks[:IMMediate] <numeric_value>
This command searches the selected trace for the indicated number of maxima. The results are
entered in a list and can be queried with commands CALC:MARK:FUNC:FPEaks:X? and CALC:
MARK:FUNC:FPEaks:Y?. The number of maxima found can be queried with CALC:MARK:FUNC:
FPEaks:COUNt?. The trace to be examined is selected with CALC:MARK:TRACe. The order of the
results in the list can be defined with CALC:MARK:FUNC:FPEaks:SORT.
Example: "INIT:CONT OFF"
'switches to single-sweep mode
"INIT;*WAI"
'starts measurement and synchronizes to end
"CALC:MARK:TRAC 1"
'sets marker 1 in screen A to trace 1
"CALC:MARK:FUNC:FPE:SORT X"
'sets the sort mode to increasing X values
"CALC:MARK:FUNC:FPE 3"
'searches the 3 highest maxima for trace 1
"CALC:MARK:FUNC:COUN?"
'queries the number of maxima found
"CALC:MARK:FUNC:Y?"
'queries the level of maxima found
"CALC:MARK:FUNC:X?"
'queries the frequencies (span <> 0) or time (span = 0) of maxima found.
Characteristics: *RST value: --
SCPI: device-specific
Mode: A
CALCulate<1|2>:MARKer<1...4>:FUNCtion:FPEaks:COUNt?
This query reads out the number of maxima found during the search. If no search for maxima has been
performed, 0 is returned.
Example: "CALC:MARK:FUNC:FPE 3"
'searches the 3 highest maxima for trace 1
"CALC:MARK:FUNC:FPE:COUN?"
'queries the number of maxima found
Characteristics: *RST value: --
SCPI: device-specific
The number of maxima found depends on the waveform and value set for the
Peak Excursion parameter (CALC:MARK:PEXC), however, a maximum number of
50 maxima are determined. Only the signals which exceed their surrounding val-
ues at least by the value indicated by the peak excursion parameter will be recog-
nized as maxima. Therefore, the number of maxima found is not automatically the
same as the number of maxima desired.
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