8. Frequency Span Readout Accuracy, HP 8591EM

13.Set the EMC analyzer to measure the frequency span accuracy at 1 kHz by pressing the following keys:

4MKR5 More 1 of 3 MARKER ALL OFF 4BW5 30 4Hz5

14.Change to the next EMC analyzer span setting listed in Table 2-4 (TR Entry 7). Be sure to set the synthesized sweeper CW and synthesizer/level generator frequencies as shown in the table.

15.On the EMC analyzer, press 4SGL SWP5. Wait for the completion of a new sweep, then press the following keys:

4MKR !5 MARKER ! HIGH

More 1 of 3 More 2 of 3 MARKER 1

More 3 of 3 NEXT PEAK

16.Record the MKR-1 frequency reading in TR Entry 7 of the performance veri￿cation test record.

17.Repeat steps 15 and 16 for the 300 Hz EMC analyzer span setting.

18.Verify that the 300 Hz span setting is within 225 Hz to 255 Hz.

2-36 Performance Veri￿cation Tests