Keysight U3606B - Unsecuring the Instrument from the Remote Interface; Changing the Calibration Security Code

1 Calibration Procedures
68 Keysight U3606B Service Guide
Unsecuring the instrument from the remote interface
Send the CALibration:SECurity:CODE <mode>, <code> command from
the remote interface.
Changing the calibration security code
The security code can only be changed from the remote interface after the
instrument has been unsecured.
Send the CALibration:SECurity:CODE <new_code> command from the
remote interface after the instrument has been unsecured.
See the CALIbration subsystem in the U3606B Programmer’s Reference for
more information on the CALibration:SECurity:CODE command.
NOTE
If you forget your security code, you can disable the security feature by applying
a temporary short inside the instrument as described in “Resetting the security
code to the factory default” on page 69.
J CAL:SEC:CODE OFF, ATU3606B
This command unsecures the instrument for
calibration. The default security code is ATU3606B.
The security code can only be changed when the
instrument is unsecured.
J CAL:SEC:CODE ON, ATU3606B
This command secures the instrument from
accidental or unauthorized adjustments.
J CAL:SEC:CODE OFF, ATU3606B
This command unsecures the instrument for
calibration. The default security code is ATU3606B.
The security code can only be changed when the
instrument is unsecured.
J CAL:SEC:CODE ABC1234
This command changes the security code to
“ABC1234”.
J CAL:SEC:CODE ON, ABC1234
This command secures the instrument from
accidental or unauthorized adjustments.