3 Front-Panel Operation
96 Keysight E3633A and E3634A User’s Guide
To change the security code
To change the security code, you must first unsecure the power supply, and then
enter a new code.
Be sure to read the security code rules on page 90 before attempting to secure
the power supply.
– Front-panel operation:
To change the security code, first make sure that the power supply is
unsecured. Press (Secure) key after the “CAL MODE” message is displayed
in the calibration mode, enter the new security code using control knob and
resolution selection keys, then press (Secure) key.
Changing the code from the front panel also changes the code required 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. For example,
CAL:SEC:CODE <new code> Change the security code
“CAL:SEC:STAT OFF, HP003633
[a]
or HP003634
[b]
”
[a] For Keysight E3633A Model
[b] For Keysight E3634A Model
Unsecure with old code
“CAL:SEC:CODE ZZ001443” Enter new code
“CAL:SEC:STAT ON, ZZ001443” Secure with new code
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