504 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Functional Tests
Before Performing a Functional Test
Before Performing a Functional Test
1. Ensure that you have the proper test equipment.
2. Switch on the unit under test (UUT) and let it warm up (in accordance with
warm-up requirements in the instrument specifications).
3. Allow sufficient warm-up time for the required test equipment (refer to
individual instrument documentation for warm-up specifications).
4. Ensure that the analyzer’s frequency reference is set to Internal:
a. Press the Input/Output, Freq Ref In.
b. If the Freq Ref In softkey does not show Internal, press the Freq Ref
Input softkey and select Internal.
5. Following instrument warm-up, perform the auto align routine:
Press System, Alignments, Align Now, All.
Functional test accuracy depends on the precision of the test equipment used. Ensure that all of
the test equipment is calibrated before running a functional test.
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