HP 8753D Option 011 Service Manual page 120

3. ress
PRESET 5 CENTER 5 400 5 M/
4. ress
ERVICE MENU ANALOG BU ON
SYSTEM 5
ANALOG IN Aux Input
5. ress
MORE REAL
FORMAT 5
6. Observe the phase locked loop error voltage:
If \spikes" are not visible on the analyzer display (see Figure 3-26), no adjustment is
necessary.
If \spikes" are excessive (see Figure 3-26),adjust the CAV ADJ potentiometer on the A3
source bias assembly to eliminate the spikes. See Figure 3-25.
If the \spikes" persist, refer to the \Source Troubleshooting" chapter.
Figure S IKES here.
Figure 3-26. isplay of Acceptable versus Excessive Spikes
RAFT
3/21/106 15:11
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5 SPAN 5 50 5 M/ 5
 
MEAS 5
.
5 x 5
MARKERREFERENCE
SCALE REF 5 0 5 k/m 5
Adjustments and Correction Constants 3-55
.
PARAMETER
.