In-Situ Aquaculture Buoy Manual (purchased after 28 May 2013) - Manual (Page 26)

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Graphical View
From the Farm Status screen, click on a pond icon, and select Graphics from the
menu that appears. A chart of oxygen readings and the aerator run-time graph for the
same period will be created. This is useful for comparing oxygen levels with aerator run
times. If the graph shows low oxygen for a time period and no aerator run time, the
aerator should be inspected.
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Erratic readings may indicate that a sensor needs service.
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Gaps in the chart indicate a possible communications problem.
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Extreme swings in the chart indicate ponds that need extra attention.
Figure 14.1 Graphical view of DO readings and aerator operation for one pond.