Keysight Technologies 34959A Service Manual page 59

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
Review the
Considerations"
Configuration: DC functions — 6½ digits
1 Configure each function and range shown in the gain verification tables
2 Apply the input signal shown in the "Input" column of the appropriate
Always complete tests in the same order as shown in the appropriate verification
NOTE
table.
3 Send the actual input value to the instrument using the CALibration:VALue
4 Calibrate the instrument using the CALibration? command.
5 Perform the appropriate Gain Verification Test to check the calibration results.
6 Repeat steps 1 through 5 for each gain verification test point shown in the
Each range in the gain adjustment procedure takes less than 20 seconds to
NOTE
complete.
Keysight 34980A Service Guide
page
"DMM Test Considerations"
on page 57 sections before beginning this test.
AC functions — LF 3 HZ:SLOW
(starting on page 50).
verification table.
<value> command.
tables.
50.
on page 48 and
Calibration Procedures
"Gain Adjustment
3
59