HP 41802A Operation Note page 40

Performance Test Record
Gain Accuracy/Flatness Tests
Minimum Limit Test Result
Frequency Reading
4-6 Performance T est
Maximum Limit Measurement
[a]
Minimum Test Result
[b] Limit
Uncertainty
6
Maximum
[ a+b] Limit
Measurement
Uncertainty
6
6
6
6
6
6
6