Keysight U1251B Guia Del Usuario página 171

9 Repeat steps 1 through 8 for each adjustment point.
10 Verify the adjustments using the
Keysight U1251B and U1252B User's and Service Guide
For an adjustment that is successful, the secondary display will briefly show
PASS. An adjustment failure is indicated by a long beep and a calibration error
number appears in the secondary display. The primary display remains at the
current Cal Item. Check the input value, range, function, and entered
adjustment value to fix the problem. Repeat the adjustment procedure.
and Table 6-4.
Performance Tests and Calibration
"Performance Verification Tests"
6
on page 154
169