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Calibration /Adjustment Procedure
After installing the Phase-Lock assembly, perform the frequency
adjustment procedure (CAL:SETup 0) on page 67 in the HP 33120A
Service Guide. Be sure to make the 1 kHz frequency measurement with
an accuracy of at least 8 digits (0.01 ppm). You may be required to
perform up to three iterations of the frequency adjustment following
initial installation of the Phase-Lock assembly.
For complete details on performing a calibration, see chapter 4 in
the HP 33120A Service Guide.
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