10 Monitor Spectrum Measurement
Meas Setup
Example CALC:LLIN:CONT:POIN? Returns the number of points in the limit line.
Preset 1
State Saved Saved in instrument state
Initial S/W Revision A.13.00
Limit Line Upper (Remote Command Only, SCPI standard compatibility)
Defines a list of amplitude values for a given limit line. Changing the number of elements in the list
spectrum will automatically turn the limit line off. Using the “UPP” syntax defines an upper limit line. There
is no lower limit line in Monitor Spectrum measurement. Up to 200 points may be defined for each limit
using the following parameters.
<ampl>Amplitude values units default to dBm.
Range: –200 dBm to +100 dBm
The points query returns the number of points in the amplitude list. It will not be possible to turn on the limit
line unless the number of points in the control matches the number of points in the amplitude.
The points query returns the number of points in the amplitude list. It should match the number of points in
the control, that is, the number of values for the CONTrol axis and for the corresponding limit lines must be
identical. If one array is larger than the other, the limit trace is built using only as much data as is contained
in the smaller array.
An empty array returns the system error “list is empty” to a data query, 0 to a POINts query.
Remote Command
:C
ALC
ul
ate
:L
LIN
e[
1]|
2|
...
|6
:UP
Pe
r[:
DAT
A]
<am
pl>
,
<a
mpl
>,
…
:CALCulate:LLINe[1]|2|...|6:UPPer[:DATA]?
Example :CALC:LLIN:UPP –10, –10, –20, –20
describes the amplitude values of an upper limit line
Preset Limit line data is cleared by Restore Mode Defaults.
State Saved Saved in instrument state.
Backwards
Compatibility SCPI
:CALCulate:LIMit[1]|2|...|6:UPPer[:DATA]
Initial S/W Revision A.13.00
Remote Command
:CALCulate:LLINe[1]|2|...|6:UPPer:POINts?
Example :CALC:LLIN:UPP:POIN? returns the number of points in the upper limit line.
Preset Upper Limit line data/points is cleared by Restore Mode Defaults.
State Saved Saved in instrument state.
Initial S/W Revision A.13.00
804 EMI Receiver Mode Reference
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