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5. Bandwidth menu
·[RBW Auto Man]: Press [BW]→[RBW Auto Man] and adjust the
resolution bandwidth within the range of 1Hz-10MHz. The resolution
bandwidth can be changed with the number keys, step keys or knob in the
manual mode, by the step of 1, 3 or 10. It can be changed with the span
according to the SPAN/RBW value in the auto mode.
·[Video Bandwidth Auto
Man]: Press [BW]→[VBW Auto Man] to adjust
the video bandwidth in the active functional zone. The adjustment range is
1Hz-10MHz. In the manual mode, the video bandwidth can be changed
with the number keys, step keys or knob in the manual mode, by the step
of 1, 3 or 10. In the auto mode, it can be changed with the span according
to the RBW/VBW value.
·[Average Off
On]: Press [BW]→ [Average Off On] to enable the
averaging function. The “Sample” mode of the detector will be enabled by
this function. At the same time, traces will be continuously averaged to
achieve the smoothing effects.
·[SPAN/RBW]: Press [BW]→[SPAN/RBW] to set the ratio of the current
span to resolution bandwidth. The value will be displayed in the input zone.
The default setting is 100. This ratio can be applied in the associated mode
of the resolution bandwidth.
·[RBW/VBW]: Press [BW]→[RBW/VBW] to set the ratio of the current
video bandwidth to resolution bandwidth. The default setting is 1. When
the resolution bandwidth changes, the video bandwidth will automatically
change in the auto mode to meet the ratio requirements. This ratio will be
displayed in the input zone and applied in the associated mode of both
bandwidths. If a new ratio is selected, the video bandwidth will change to
meet the new ratio requirements, while the resolution bandwidth will
remain unchanged.
·[Detector]: Press [BW]→ [Detector], and the soft menu of detector mode
will pop up. Refer to the [Detector] menu description for details.