Chapter 3 Front-Panel Operation
Calibration Overview
59
3
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 56 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 the 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:
CAL:SEC:CODE <new code> Change the security code
To change the security code, first unsecure the power supply using the old security
code. Then, enter the new code. For example,
‘‘CAL:SEC:STAT OFF, HP003633* or HP003634**’’ Unsecure with old
code
‘‘CAL:SEC:CODE ZZ001443’’ Enter new code
‘‘CAL:SEC:STAT ON, ZZ001443’’ Secure with new code
*For HP E3633A Model **For HP E3634A Model
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