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Section 6: Service and Troubleshooting Procedures
Procedure #1 OM Signal Testing
Perform this test monthly or every 100 hours of data collection and whenever OM data is questionable.
The purpose of this test is to ensure the instrument is performing properly.
The V-Sense Controller is shipped with an Instrument Test Load (Part No. 46403) that will enable you to
quickly check the instrument to ensure that it is functioning properly. To perform this test:
1) Disconnect the optical power cable from the V-Sense Controller.
2) Connect the test load to the Optical Power port.
3) Switch on the Controller and view display on SoilViewer.
4) The display should show:
Red: 833 +/-10
IR:
5) If the readings vary significantly contact Veris service department.
6) Once the test is complete, remove the test load and reinstall the optical power cable.
Figure 1.1 OM Signal Test Load installed
289+/-10
OM Signal Test Load
6-1
Pub# OM22-iScan EC-OM
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