
Troubleshooting and Block Diagrams 8712ET/ES and 8714ET/ES
Category 2 Failures: No Error Messages but One or More Measurements Are Nonfunctional RF Network Analyzers
4-24 Service Guide
Steps Associated with Figure 4-6
1. Leave PORT 1 and PORT 2 open.
2. Set the analyzer to the default condition by pressing .
3. Observe the traces for each detector and compare to the normal signal trace levels in
Figure 4-6. Press in the menu. For narrowband traces,
press and the detector trace needed to observe, , , or
keys. For broadband detectors, press and the or
keys.
Figure 4-6
PRESET
POWER 0
MEAS 1
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