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350 Chapter 5
Language Reference
SENSe Subsystem
Spectrum— Select Pre-FFT Bandwidth
[:SENSe]:SPECtrum:BANDwidth|BWIDth:IF:AUTO OFF|ON|0|1
[:SENSe]:SPECtrum:BANDwidth|BWIDth:IF:AUTO?
Select auto or manual control of the pre-FFT BW.
Factory Preset
and *RST: AUTO, 1.55 MHz
Front Panel Access:
Measure, Spectrum, Meas Setup, More, Advanced,
Pre-FFT BW.
Spectrum — IF Flatness Corrections
[:SENSe]:SPECtrum:BANDwidth|BWIDth:IF:FLATness OFF|ON|0|1
[:SENSe]:SPECtrum:BANDwidth|BWIDth:IF:FLATness?
Turns IF flatness corrections on and off.
Factory Preset
and *RST: ON
Front Panel Access:
Measure, Spectrum, Meas Setup, More, Advanced,
Pre-FFT BW
Spectrum—Pre-ADC Bandpass Filter
[:SENSe]:SPECtrum:BANDwidth|BWIDth:PADC OFF|ON|0|1
[:SENSe]:SPECtrum:BANDwidth|BWIDth:PADC?
Turn the pre-ADC bandpass filter on or off. This is an advanced control
that normally does not need to be changed.
Remarks: To use this command, the appropriate mode should be
selected with INSTrument:SELect.
Spectrum—Pre-FFT BW
[:SENSe]:SPECtrum:BANDwidth|BWIDth:PFFT[:SIZE] <freq>
[:SENSe]:SPECtrum:BANDwidth|BWIDth:PFFT[:SIZE]?
Set the pre-FFT bandwidth. This is an advanced control that normally
does not need to be changed.
Frequency span, resolution bandwidth, and the pre-FFT bandwidth
settings are normally coupled. If you are not auto-coupled, there can be