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Chapter 3 Front-Panel Operation
Calibration Overview
71
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 68 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
di sp layed in th e c al ib ra tio n mode , ent er the n ew se cu rity co de usin g 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
I/O
Config
Secure
I/O
Config
Secure
*For Agilent E3633A Model **For Agilent E3634A Model