Agilent Technologies E3634A Unsecured, Code, Secured, Front-Panel Operation Calibration Overview

Chapter 3 Front-Panel Operation

Calibration Overview

To Secure Against Calibration You can secure the power supply against calibration either from the front panel or over the remote interface. The power supply is secured when shipped from the factory, and the security code is set to “HP003633”* or “HP003634”**.

Be sure to read the security code rules on page 68 before attempting to secure the power supply.

•Front-Panel Operation:

UNSECURED

If the power supply is unsecured, you will see the above message for one second by holding Error (Calibrate) key for 5 seconds when you turn on the

Calibrate

power supply. To secure the power supply, press Config (Secure) key after the

I/O

Secure

“CAL MODE” message is displayed in the calibration mode, enter the security

I/O

code using the control knob and resolution selection keys, and then press Config

(Secure) key.

Secure

Notice that you should omit the “HP” and enter the remaining numbers as shown below.

000000 CODE

I/O

When you press Config (Secure) key to save the change, you will see the

Secure

message below. The secured setting is stored in non-volatilememory, and does not change when power has been off or after a remote interface reset. To exit the calibration mode, turn the power off and on.

SECURED

• Remote Interface Operation:

CAL:SEC:STAT {OFFON},<code> Secure or unsecure the power supply

To secure the power supply, send the above command with the same code as used to unsecure. For example,

‘‘CAL:SEC:STAT ON, HP003633’’ (E3633A) or

‘‘CAL:SEC:STAT ON, HP003634’’ (E3634A)

*For Agilent E3633A Model **For Agilent E3634A Model

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