User's Manual

136 Agilent U1251A/U1252A User’s and Service Guide
7 Performance Tests and Calibration
8 Press to start the adjustment. The CAL flashes in
the secondary display to indicate that the calibration is in
progress.
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.
9 Repeat steps 1 through 8 for each adjustment point.
10 Verify the adjustments using the “Performance Verification
Tests” on page 120 and Table 6- 2.