Campbell Scientific RTDAQ Software - Manual (Page 219)

Section 7. Monitoring Data in Real-time
Now you will see the Rainflow histogram display window:
You can create multiple Rainflow windows in RTDAQ. After Rainflow
screens have been created, they can be brought to the front by using the drop-
down list that becomes available on the Rainflow button. You will also use
this drop-down list to create Rainflow screens after at least one window
already exists, since pushing the Rainflow button at that point will bring the
focus to an existing Rainflow window instead of creating a new one.
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