R3131 Spectrum Analyzer Operation Manual
3.3 Menu Function Descriptions
3-17
3.3.2
BW Key (Bandwidth)
This section describes the menu displayed when the BW key is pressed. From this menu, you can change
the parameters for the resolution bandwidth (RBW) and the video bandwidth (VBW) as required.
RBW AUTO/MNL
Toggles the video bandwidth between AUTO and MNL.
AUTO:
Automatically sets an optimum resolution bandwidth
according to the span settings.
MNL:
Allows you to set the resolution bandwidth manually.
VBW AUTO/MNL
Toggles the video bandwidth between AUTO and MNL.
AUTO:
Automatically sets an optimum video bandwidth
according to the resolution bandwidth setting.
MNL:
Allows you to set the video bandwidth manually.
Auto All
Automatically sets the resolution bandwidth, the video bandwidth
and the sweep time according to the span settings.
Apr 10/98