Performance Tests and Calibration
7
Agilent U1251A/U1252A User’s and Service Guide
141
To Unsecure the Instrument Without the Security Code
To unsecure the instrument without the correct security
code, follow the steps below.
1 Record the last 4 digit serial numbers of the instrument.
2. Turn the rotary switch to
.
3. Press
and
button simultaneously to enter
the Calibration Security Code entry mode.
4. The primary display shows 5555 and the secondary dis-
play shows SECUr.
5. Press
button for more than 1 second to enter Set
Default Security Code mode. The secondary display shows
SEr.no and primary display shows 5555.
6. Use the editing keys
and
to step each char-
acter in the code.
Use the
and
to select each character.
7. Set the code, same as last 4 digit serial number of the
instrument.
8. Press
(Save) button, to confirm the entry.
9. If the correct 4 digit serial number was entered, the
secondary display briefly show PASS.
N O T E
If you do not have a record of the security code, first try 1234 (the factory
default code) through front panel or remote interface.
Summary of Contents for U1251A
Page 34: ...34 Agilent U1251A U1252A User s and Service Guide 1 Getting Started Tutorial...
Page 116: ...116 Agilent U1251A U1252A User s and Service Guide 5 Maintenance...
Page 120: ...120 Agilent U1251A U1252A User s and Service Guide 6 Accessories...
Page 156: ...156 Agilent U1251A U1252A User s and Service Guide 8 Specifications...
