HP 8340B Manual page 20

4-2. FREQUENCY RANGE AND CW MODE ACCURACY (Cont'd)
f. Select a step size of 1 MHz by pressing [SHIFT] [CF] [1] [MHz].Press the [CW] key to view
the CW frequency in the [ENTRYDISPLAY]. The CW frequency should be at 2318.97000
MHz.
g. Using the down arrow key, step the CW frequency down to 2310.970000 MHz. Check the
counter indication at each step. The counter should indicate the DUT CW frequency
the resolution of the counter.
The above steps program the 20/30 frequency from 21.03 MHz to 29.03
MHz in 1 MHz steps and check the remaining Ni Divider programming
bits.
8. If frequency errors occurred, the instrument requires service. To troubleshoot the instrument,
determine what frequency related circuit is most likely to have caused the symptom (i.e., M/N
Loop or 20/30 Loop)
4-18 Performance Tests
NOTE
VIII of the Service Manual (may be ordered separately).
then refer to Section
1 Hz
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lIP 8340B/41B