Calibration Procedures 6
Adjustments procedures
U3606A User’s and Service Guide 201
AC voltage gain adjustment procedure
Review the “Test Considerations” on page 145 and “Gain adjustment
considerations” on page 197 sections before beginning this procedure.
1 Press twice to enter the AC voltage gain calibration. The AC
annunciator will be illuminated.
2 The primary display will show the uncalibrated value and the upper
secondary display will show the reference value of the adjustment item.
3 Configure each adjustment item shown in Table 6- 4.
4 Use or to select the adjustment item.
5 Apply the input signal shown in the “Input” column of Table 6- 4.
6 Enter the actual applied input (see “Entering adjustment values” on
page 190).
7 Press to start the adjustment. The display “CALib” in the lower
secondary display starts flashing to indicate that the calibration is in
progress.
• Successful completion of the adjustment 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 upper secondary display. Correct the problem and repeat this
procedure.
8 Repeat step 3 through step 7 for each gain adjustment point shown in
Table 6- 4.
9 Verify the AC voltage gain adjustments using the “AC voltage
verification test” on page 158.
Always complete tests in the same order as shown in Ta b l e 6 - 4 .
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