Service Guide E8361-90001 3-11
PNA Series Microwave Network Analyzers Tests and Adjustments
E8361A Preliminary Checks
5. The result of the operator’s check will be shown as a PASS or FAIL next to the test.
Figure 3-3 Operator’s Check Dialog Box
If the Operator’s Check Fails
1. Clean the test ports, shorts, and adapters. Torque to specification. Repeat the check.
2. If the check still fails, suspect a faulty component:
• A repeated failure in the switch repeatability for both the Port 1 and Port 2 checks
indicates a faulty A22 switch. Refer to “Removing and Replacing the A22 Switch” on
page 7-42.
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