4 Calibration Procedures
70 Keysight 34970A/34972A Service Guide
You can also use a 34902A for test and adjustment of voltage, frequency, and
resistance functions. You cannot test or adjust current inputs with a 34902A. If
you use a 34902A, connect the copper shorts to Channels 7 and 15 and make the
input connections to Channels 8 and 16.
Use shielded twisted pair PTFE insulated cables to reduce settling and noise
errors. Connect the shield to the source LO output.
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