Keysight U1241B Guía Del Usuario Y Servicios página 73

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 Multimeter for
characters.
You can unsecure and change the security code from the multimeter front panel.
NOTE
If you forget your security code, see
Security
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 "PAS". If
Keysight U1241B and U1242B User's and Service Guide
Calibration). The security code may contain up to 4 numeric
Code.
and
Code entry mode. The primary display shows 5555 and the secondary display
shows SEU.
or
to change the value of the selected character.
(Save) when done.
an invalid code is entered, the multimeter will shows error code "E02" on the
Performance Tests and Calibration
Unsecuring the Multimeter Without the
.
simultaneously to enter the Calibration Security
to step each character in the code. Press
5
Unsecuring
or
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