Calibration Security - Agilent Technologies U1241B User's Manual And Service Manual

5 Performance Tests and Calibration

Calibration Security

The calibration security code prevents accidental or unauthorized
adjustments to the multimeter. The multimeter is secured when the
multimeter is shipped from factory. Before performing any adjustment to
the multimeter, you are required to unsecure the multimeter by entering
the correct security code (see
The security code may contain up to 4 numeric characters.
You can unsecure and change the security code from the multimeter front panel. If you
N O T E
forget your security code, see
Unsecuring the Multimeter for Calibration
Before performing adjustment to the multimeter, you are required to
unsecure the multimeter by entering the correct security code. The
security code is set to 1234 when the multimeter is shipped from the
factory. The security code is stored in non- volatile memory, and does not
change when power is off.
Unsecuring the Multimeter from the Front Panel
1 Turn the rotary switch to
2 Press
3 Press
4 Press
5 If the correct security code is entered, the secondary display will show
46
and
Security Code entry mode. The primary display shows 5555 and the
secondary display shows SEU.
or
or to change the value of the selected character.
(Save) when done.
"PAS". If an invalid code is entered, the multimeter will shows error
code "E02" on the secondary display for approximately 3 seconds and
return to the Calibration Security entry mode.
Unsecuring the Multimeter for
Unsecuring the Multimeter Without the Security
.
simultaneously to enter the Calibration
to step each character in the code. Press
U1241B/U1242B User's and Service Guide
Calibration).
Code.