Keysight U1251B Guia Del Usuario página 167

Performance Tests and Calibration 6
Using the front panel for adjustments
This section describes the procedures to perform adjustments from the front
panel.
Selecting the Adjustment Mode
To unsecure the instrument, see "Unsecuring the instrument for calibration" on
page 161 or "To unsecure the instrument without the security code" on page 162.
Once unsecured, the reference value will be indicated on the primary display.
Entering Adjustment Values
Use the following adjustment procedure to enter an input calibration value from
the front panel:
1 Use the edit keys and to select each digit in the primary display.
2 Use the and the arrow keys to advance through the digits 0
through 9.
3 Press when done to start calibration.
Keysight U1251B and U1252B User's and Service Guide 165