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Calibration

Security

(continued)

To Unsecure for Calibration You can unsecure the multimeter

for 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”.

• Front-Panel Operation:

1: SECURED (CAL MENU)

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

you go into the

CAL MENU. (If you move across the “commands” level

in the menu, you will notice that the “

2: CALIBRATE” command is

“hidden” if the multimeter is secured.) To unsecure the multimeter,

select the “parameter” level of the

SECURED 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 unsecured. Notice also that the

“

2: CALIBRATE” command is no longer hidden and you can perform

a calibration.

• Remote Interface Operation:

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

code>

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

code used to secure. For example,

"CAL:SEC:STAT OFF,HP034401"

∧000000 CODE

1: UNSECURED

Chapter 3 Features and Functions

Calibration Overview

Agilent Technologies 34401A User Manual

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