Agilent Technologies HP 83711A, User Manual

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Service-Related Special Functions
The synthesizer rmware contains several service related routines that can
be used when diagnosing faults in its circuitry . Use of these special functions
is detailed in the HP 83711A/12A and HP 83711B/12B Synthesized CW
Generators Service Guide (Option 0B3; HP part number 83711-90134).
The service-related special functions are listed in the following table . They
can be accessed by pressing 4 SPCL 5 , f-number, 4 Hz 5 (ENTER) where f-number
is a number from the rst column of the table . Details on how to use each
special function can be found in the service manual.
T able 7-1. Service-Related Special Functions
Special
Function
Number
Special
Function
Name
Description
60 DIREC T CONTROL Allows direct manipulation of certain data bits within the synthesizer
circuitry .
61 METER NODE Allows entry of a measurement node where the internal volt/ammeter
will take a measurement.
62 L O FREQ Displa ys the synthesizer internal L O phase locked loop frequency .
63 OFFSET FREQ Displa ys the synthesizer internal Oset phase locked loop frequency .
70 HOLD POWER ON/OFF Holds the power loop at its current setting.
71 CAL YIG OSC Recalibrates the YIG oscillator and stores the new tuning curve in
EEPROM.
See Also
HP 83711A/12A and 83711B/12B Synthesized CW Generators Service
Guide
7-17