Agilent Technologies NFA Series Performance Verification And Calibration Manual page 35

Step 4. Wait for the frequency counter reading to stabilize and ensure that the adjusted value
Step 5. Press
NOTE
is within the published specification. Repeat the adjustment procedure until the
correct value is obtained.
from the
Save Time Base
memory.
It is recommended that you preset the NFA and repeat the 10 MHz Frequency
Reference Accuracy Test (see page 14) to verify the adjusted DAC settings.
Chapter 2
10 MHz Out Frequency Reference Adjustment
sub-menu to ensure that the values are stored in
Test Descriptions
23