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To Secure Against Calibration You can secure the multimeter

against calibration either from the front panel or remote interface.

The multimeter is secured when shipped from the factory, and the

security code is set to “

HP034401”.

Make sure you have read the security code rules on page 95 before

attempting to secure the multimeter.

• Front-Panel Operation:

1: UNSECURED (CAL MENU)

If the multimeter is unsecured, you will see the above command when

you go into the

CAL MENU. To secure the multimeter, select the

“parameter” level of the

UNSECURED command, enter the security

code, then press Menu Enter.

When you go to the “commands” level in the

CAL MENU again,

you will notice that the multimeter is secured. Notice also that the

“

2: CALIBRATE” command is now hidden and you cannot perform

a calibration.

• Remote Interface Operation:

CALibration:SECure:STATe {OFF|ON},<

code>

To secure the multimeter, send the above command with the same

code as used to unsecure. For example,

"CAL:SEC:STAT ON,HP034401"

∧000000 CODE

1: SECURED

Chapter 3 Features and Functions

Calibration Overview

Agilent Technologies 34401A User Manual

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