User`s guide

Description
This command performs a low-level calibration of the ADC (analog-to-digital
converter) circuitry.
For a more detailed discussion of the calibration procedures, see
the Agilent 34410A/11A/L4411A Service Guide. Please refer to the
Service Guide before attempting to calibrate the instrument.
Improper use of the CALibration commands can adversely affect the
accuracy and reliability of the instrument.