6 Calibration Procedures
Adjustments procedures
198 U3606A User’s and Service Guide
4 Use or to select the adjustment item.
5 Apply the input signal shown in the “Input” column of Table 6- 6.
6 Enter the actual applied input (see “Entering adjustment values” on
page 184).
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- 6.
9 Verify the resistance gain adjustments using the “Resistance gain
verification test” on page 155.
Always complete tests in the same order as shown in Table 6-6.
Table 6 - 6 Resistance gain adjustment
Adjustment item Input resistance
Short
Dual banana plug with copper wire short
between the two input terminals
OPEn
Input terminals open (remove any test leads or
shorting plugs from the input terminals)
10.0000 MΩ 10 MΩ
1.00000 MΩ 1 MΩ
100.000 kΩ 100 kΩ
10.0000 kΩ 10 kΩ
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