Campbell CS120A, User Manual, Page: 45 / 62

User Guide
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This part of the test will take approximately two minutes. Every ten seconds a dot
should appear indicating that the test is progressing as normal.
Remove the bungs once the sensor instructs you to. Place the CS120A calibrator
into the volume by fastening it to the central mounting point.
At this stage it is advisable to clean the lenses. Refer to Section 18
`Cleaning’ for more information. A simple visual check may be
enough to confirm the lenses are clean. NOTE
Starting dark level calibration.
This test will take approximately two minutes.
Dark level test complete. Please remove the bungs.
Now place the CS120A calibrator into the sampling
volume.
Press any key once this is done.
Starting light level calibration.
This test will take approximately two minutes.