Unsecuring The Instrument For Calibration - Agilent Technologies U1251A User's Manual And Service Manual

7 Performance Tests and Calibration

Unsecuring the instrument for calibration

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Before you can adjust the instrument, you must unsecure it
by entering the correct security code. The security code is
set to 1234 when the instrument is shipped from the
factory. The security code is stored in non- volatile memory,
and does not change when power is off.
To Unsecure the Instrument from the Front Panel
4 Turn the rotary switch to
5 Press
and
the Calibration Security Code entry mode.
6 The primary display shows 5555 and the secondary
display show SECUr.
7 Use the editing keys
character in the code.
Use the and
8 Press (Save) when done.
9 If the correct security code is entered, the secondary
display will show PASS.
Agilent U1251A/U1252A User's and Service Guide
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button simultaneously to enter
and to step each
to select each character.