The normal sweep mode of the analyzer collects and
displays 271 points of data across the span. In Auto RBW mode the
resolution bandwidth will be set to be appropriate for this number of
There are circumstances where it may be
useful to observe a span at much higher resolution than is possible
using a normal sweep.
Scan Mode is an entirely
different mode of operation in which a narrow RBW can be set resulting
in a much higher number of data points being collected - up to 210,000
This data is written to a file, the contents
of which are displayed in a compressed form. Pan and zoom
functions allow any part of the scan to be analyzed in detail right down
to one pixel per point.
Scan files can be saved in a
similar way to trace files, and exported as CSV data for use with PSA
Manager or other third party analysis programs.
Scan Mode function requires option U02.