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4 Bandwidth menu
·[Res BW Auto Man]: press [BW]→[Res BW Auto Man], to set the RBW
by using the number key on front panel or [↑] or [↓] key and spinning
wheel.
·[Special Notice]: the RBW depends on the bandwidth of intermediate
frequency filter while the shape of trace depends on the intermediate
frequency bandwidth filter. This apparatus can change the RBW within 1Hz
- 10MHz and at the step size of 1-3-10.
·[Video BW Auto Man]: press [BW]→[Video BW Auto Man ], to change
the video bandwidth by using the number key or [↑] or [↓] key and spinning
wheel.
·[Special Notice]: the video bandwidth filter is used to smooth trace so as
to improve the ability of detecting weak signal in noise signal. This
apparatus can change the RBW within 1Hz~10MHz and at the step size of
1-3-10.
·[Video type Lin Log]: press [BW]→[Video type Lin Log], to set the data
processing of video bandwidth filter.
·[Average Off On]: press [BW]→[Average Off On], to smoothen the trace
by using the number key or [↑] or [↓] key and spinning wheel when the
video bandwidth filter is not changed.
·[SPAN/RBW]: press [BW]→[SPAN/RBW], to set the ratio between span
and RBW by using the number key or [↑] or [↓] key and spinning wheel.
Under the automatic mode, the RBW will vary with span.
·[RBW/VBW]: press [BW]→[RBW/VBW], to set the ratio between RBW
and VBW by using the number key or [↑] or [↓] key and spinning wheel.
Under the automatic mode, the video bandwidth will vary with RBW.
·[Detection]: press [BW]→[Detector], to open the detection sub-menu.
For details, please refer to [Detector] menu.