2Operation and Features
86 Keysight E364xA User’s and Service Guide
To change the security code
To change the security code, you must first unsecure the power supply, and then
enter a new code. Read the security code rules at “Calibration security” on
page 82 before attempting to secure the power supply.
Front panel operation
To change the security code, first make sure that the power supply is unsecured.
Go to the security code entry, press the (Secure) key after the CAL MODE
message is displayed, enter the new security code using the control knob and
resolution selection keys, and then press (Secure) key.
Changing the code from the front panel also changes the code as seen from the
remote interface.
Remote interface operation
To change the security code, first unsecure the power supply using the old
security code. Then, enter the new code as shown below.
CAL:SEC:CODE <new code> Change the security code.
CAL:SEC:STAT OFF, ‘003640’ Unsecure with the old code.
CAL:SEC:CODE ‘ZZ001443’ Enter the new code.
CAL:SEC:STAT ON, ‘ZZ001443’ Secure with the new code.
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