Calibration Procedures 4
Keysight 34970A/34972A Service Guide 91
Gain Adjustment Procedure
Adjustment for each function should be performed only in the order shown in the
performance verification table. The performance verification tables used for gain
adjustments start on page 82.
Review the Test Considerations (page 76) and Gain Adjustment (page 89) sections
before beginning this test.
Configuration: DC functions — 6½ digits
AC functions — LF 3 HZ:SLOW (in the Advanced menu)
1 Select Channel 210. Configure the channel to each function and range shown
in the gain verification tables (pages 80 – 79).
2 Apply the input signal shown in the “Input” column of the appropriate
verification table.
3 Note: Always complete tests in the same order as shown in the appropriate
verification table.
4 Press
to enter the calibration menu. Press
again to begin the
adjustment procedure.
5 Use the knob, and and to set the number in the display to the actual
input value and press .
6 Perform the appropriate Gain Verification Test to check the calibration results.
7 Repeat steps 1 through 6 for each gain verification test point shown in the
tables.
Each range in the gain adjustment procedure takes less than
20 seconds to complete.
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