48 Keysight FieldFox Handheld Analyzers Service Guide
Troubleshooting
Measurement Group Troubleshooting
4-
Figure 4-2 Typical Four Channel Display
— If all traces are present and are similar to the traces in Figure 4-2, then
there are no major problems with the analyzer's VNA measurement system.
There may, however, be a minor failure in the analyzer.
— To test further:
1. Go to Chapter 3, “Tests and Adjustments.” and perform all the tests
indicated in the N7841A TME software.
2. If a problem still exists, contact Keysight. Refer to “Contacting
Keysight” on page 28.
If any of the traces are not present, are noisy or distorted, or are at an incorrect
level, then there is a problem with the analyzer's measurement system and
requires repair, contact Keysight. Refer to “Contacting Keysight” on page 28.
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