R&S ESU Series Operating Manual page 147

R&S ESU
This setting is only effective for the VBW AUTO selection in the main menu.
RBW / VBW The RBW/VBW MANUAL softkey activates the manual input of the coupling ratio.
MANUAL
The resolution bandwidth/video bandwidth ratio can be set in the range 0.001 to
1000.
Remote command:
This setting is only effective for the VBW AUTO selection in the main menu.
SPAN / RBW The SPAN/RBW AUTO [50] softkey sets the following coupling ratio:
AUTO [50] resolution bandwidth = span/50
This coupling ratio is the default setting of the R&S ESU
Remote command:
This setting is only effective for the RBW AUTO selection in the main menu.
SPAN / RBW The SPAN/RBW MANUAL softkey activates the manual input of the coupling ratio.
MANUAL
The span / resolution bandwidth ratio can be set in the range
1 to 10000.
Remote command:
This setting is only effective for the RBW AUTO selection in the main menu.
DEFAULT The DEFAULT COUPLING softkey sets all coupled functions to the default state
COUPLING (AUTO). In addition, the ratio RBW/VBW is set to SINE [1/3] and the ratio SPAN/
RBW to 50 in the COUPLING RATIO submenu (default setting, COUPLING RATIO
softkey not highlighted).
Remote command:
FILTER TYPE The FILTER TYPE softkey opens the selection list for different filter types. In the
range up to 30 kHz digital band filters with Gaussian characteristic and filtering with
FFT algorithm can be selected.
4.116
BAND:VID:RAT 10
BAND:RAT 0.02
BAND:RAT 0.1
BAND:AUTO ON
BAND:VID:AUTO ON
SWE:TIME:AUTO ON
Operating Manual 1302.6163.12 - 03
Instrument Functions
Analyzer Mode