102 34405A User’s and Service Guide
4 Performance Tests and Calibration
AC Current Gain Adjustment Procedure
Review the “Test Considerations” on page 71 and “Gain
Adjustment Considerations” on page 95 sections before
beginning this procedure.
1 Press to enter AC Current Gain Calibration.
2 The primary display will show the calibration value and
the secondary display will show the reference value of the
Cal Item.
3 Configure each Cal Item shown in the adjustment table
below.
4 Use (Auto) or (Range) to select the Cal
Item.
5 Apply the input signal shown in the Input and Frequency
columns of the table below.
6 Enter the actual applied input (see “Entering Adjustment
Values” on page 91).
7 Press to start the adjustment. The CAL
annunciator flashes to indicate the calibration is in
progress.
• Successful completion of each adjustment value is
indicated by a short beep and the primary display
briefly showing PASS.
• An adjustment failure is indicated by a long beep, the
primary display showing FAiL and a calibration error
number appearing in the secondary display. Check the
input value, range, function, and entered adjustment
value to correct the problem and repeat the adjustment
step.
ACI
NOTE
Always complete tests in the same order as shown in the appropriate
table.
Disp
34405A users guide.book Page 102 Saturday, September 2, 2006 3:38 PM
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