Tektronix RFM220, Руководство пользователя

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Operating Basics
Selecting Graphs Use the drop-down list of the Add Graph menu to select/deselect graphs
to display. You can select multiple graphs to display. Selected graphs are
indicated by a check mark.
NOTE.
As you select more graphs to display, the performance of the
RFM220 software will diminish.
Figure 40: Add Graph menu selections
Trend graphs.
All of the graphs in the Add Graph list that appear above the
graph list separator are trend graphs.
The Aggregator collects and stores trend data from the instruments that it is
monitoring. As long as the Aggregator stays running, the trend data remains
available for all of the instruments that the Aggregator has monitored since
it was started. However, all trend data will be lost when the Aggregator
application is closed or shut down, or when the instrument is removed from
the Con
fi guration.xml fi le.
RFM220 User Manual 67