HP 1660CS-Series User Manual page 331

Troubleshooting
To run the self-tests
Select Board Tests, then select Run. When the Board Tests are
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finished, select Done.
Select Data Input Inspection. All lines should show activity. Select
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Done to exit the Data Input Inspection.
Select Analy PV, then select Scope PV in the pop up menu. Select
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Functional Tests.
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