1 Calibration Procedures
80 Keysight U3606B Service Guide
AC voltage gain adjustment procedure
Review the “Test Considerations” on page 25 and “Gain adjustment 
considerations” on page 77 sections before beginning this procedure.
1 Press [] twice to enter the AC voltage gain calibration. The AC annunciator 
will turn on according to your selection.
2 The display shows the uncalibrated value and the reference value of the 
adjustment item.
3 Configure each adjustment item shown in Table 1-25. 
4 Use   or   to select the adjustment item.
5 Apply the input signal shown in the “Input” column of Table 1-25.
6 Enter the actual applied input.
10.0000 V 10 V
100.000 V 100 V
1000.00 V 1000 V
Table 1-24 DC voltage gain adjustment (continued)
Adjustment item Input voltage
Set the calibrator output to 0 V before disconnecting from the instrument 
input terminals.
Always complete tests in the same order as shown in Table 1-25.