Agilent Technologies 1660A Series User Reference page 397

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 Sys PV PV in the pop up menu and press
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the Select key.
Operator's Service
To run the self-tests (1664A)
20-21