Agilent Technologies HP 8719D Service Manual page 136

Instruments with Option lD6 Only
8. Reconnect the BNC to BNC jumper between the "EXT REF'" and the "10 MHz
Precision Reference" as shown in F'igure 3-10.
B N C T O B N C
JUMPER
H I G H S T A B I L I T Y
FREQUENCY
A D J U S T
9. Insert a narrow screwdriver and adjust the high-stability frequency reference
potentiometer for a CW frequency measurement within specikation.
Replace the AZ6 assembly if you cannot adjust the CW frequency within
348 and Correction Constants