Agilent Technologies X Series Manual page 254

Complex Spectrum Measurement
Meas Setup
FFT Size
Opens a menu that enables you to set the FFT or window length parameters.
Key Path
Initial S/W Revision
Length Ctrl
Length Ctrl (Man) enables control of the FFT window or length settings. Press Length Ctrl (Auto) to
disable the FFT window or length settings. This setting is directly coupled to the Res BW as follows:
Enabling Length Ctrl disables the Res BW, while disabling Length Ctrl allows Res BW control.
Key Path
Mode
Remote Command
Example
Notes
Preset
State Saved
Range
Initial S/W Revision
Min Pnts/RBW
Sets the minimum number of data points that are used inside the resolution bandwidth. The value is
ignored if the length control is set to manual. This is an advanced control that normally does not need to
be changed.
Key Path
Mode
Remote Command
Example
Notes
254
Meas Setup, Advanced
Prior to A.02.00
Meas Setup, Advanced, FFT Size
BASIC
[:SENSe]:SPECtrum:FFT:LENGth:AUTO ON|OFF|1|0
[:SENSe]:SPECtrum:FFT:LENGth:AUTO?
SPEC:FFT:LENG:AUTO 0
SPEC:FFT:LENG:AUTO?
You must be in the IQ Analyzer (Basic) mode to use this command. Use
INSTrument:SELect to set the mode.
ON
Saved in instrument state.
Auto | Man
Prior to A.02.00
Meas Setup, Advanced, FFT Size
BASIC
[:SENSe]:SPECtrum:FFT:RBWPoints <real>
[:SENSe]:SPECtrum:FFT:RBWPoints?
SPEC:FFT:RBWP 0.5
SPEC:FFT:RBWP?
You must be in the IQ Analyzer (Basic) mode to use this command. Use
INSTrument:SELect to set the mode.