Keysight Technologies Option 503 Service Manual page 590

Functional Tests
Scale Fidelity
8. On the analyzer, activate the Marker Delta function by pressing Peak
9. Perform the following steps for each attenuator setting listed in the table
590
Search, Marker Delta.
below:
a. Select the next External attenuator setting.
b. Press the Restart key to trigger a 10 sweep average.
c. Enter the delta marker value into
d. Check delta marker reading against the test limits.
Table 18-9.
N9030A PXA Signal Analyzer Service Guide