Figure 28 Optical Images With Ids; Figure 29 Slope Graph With Ids - Vaisala PR-23 Series User Manual

PR-23 Series User Guide
If there is no signal from the sensor, the image field is crossed over.
Figure 28 Optical images with IDS
The soft key SLOPE leads to a graph showing the slope (or first differential) of the optical
image graph.
Figure 29 Slope graph with IDS
The "empty" optical image may have a vertical left and/or right edge close to the edge of
the image. In the example, only the right edge is visible.
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