Technical data

Performance Tests and Calibration 4
34405A User’s and Service Guide 85
Calibration Process
The following general procedure is the recommended method to complete
a full instrument calibration.
1 Read “Test Considerations” on page 67.
2 Perform the verification tests to characterize the instrument (incoming
data).
3 Unsecure the instrument for calibration (see “Calibration Security” on
page 82). Once unsecured, the instrument will be in Adjustment Mode
as indicated by the illuminated CAL annunciator.
4 Perform the adjustment procedures (see “Adjustments” on page 88).
5 Secure the instrument against calibration.
6 Note the new security code and calibration count in the instrument's
maintenance records.
NOTE
Make sure to quit the Adjustment Mode then turn off the instrument.