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Table 3-26. Reference Messages (7 of 7)
12
(cont'd)
c. If the Ace. Spec. Deg. is >2 dB, perform steps 1. and 2. again very carefully,
pay close attention to the accuracy of the calibration constants and injection
locking. If the Ace. Spec. Deg. is still >2 dB, press Proceed W/Adj to get an
approximate noise measurement for use in further troubleshooting the problem.
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Peak
Tuning
Range (Hz)
•
Lag/Lead
Filter
Number
Figure 3-40. Phase Lock Loop Bandwidth Relative to the Peak Tuning Range.
13
Establish a beatnote less than or equal to ( ) Hz. System perceives that sources
are not within 5% of the defined Peak Tuning Range. Since the Reference Source is
under manual control, the user is required to establish zerobeat.
Action: Manually adjust the Reference Source to acquire a beatnote on the analyzer
(on oscilloscope if corrected to the HP 11848A any monitor port) of less than or equal
to the specified frequency.
1 0 2
'CALDATAHI' and 'CALDATALO' will be restored from disc files. Cal data in
memory is in a unknown state. System will restore cal data from the mass storage media
file.
1 0 3
NO PRINTER FOUND IN SYSTEM CONFIGURATION. Functional Checks require a
printer be configured in the system.
Action: Connect a printer to the system, and enter it in the System Configuration Table.
3-142.2
Signal Source Applications
rev.l2JUL88
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