Instruments with Option
lD5
Only
10. Reconnect the BNC-to-BNC jumper between the “EXT REF” and the “10
MHz Precision Reference” as shown in Figure 3-19.
ENC
TO
ENC
HIGH STABILITY
JUMPER FREGUENCY ADJUST
\
/
sgb42e
Figure 3-19. High Stability Frequency Adjustment Location
11. Insert a narrow screwdriver and adjust the high-stability frequency
reference potentiometer for a CW frequency measurement within
specification.
In Case of Difficulty
Replace the
A26
assembly if you cannot adjust the CW frequency within
specification.
Adjustments and Correction Constants 3-51
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