User manual

Calibration Procedures 1
Unsecuring the Instrument for Calibration
U1271A/U1272A Service Guide 21
Figure 1-6 SECUr display
3 Set your new calibration security code.
Press or to move the cursor to the right or
to the left.
Press or to increment or decrement the digit.
4 Press to save the new calibration security code.
5 If the new calibration security code has been successfully
stored, the secondary display will show . Record
down your new calibration security code and store it in a
safe location.
To reset the calibration security code to its factory default
If you have forgotten the correct calibration security code,
you may follow the steps below to reset the calibration
security code to the factory default code (1234).
P
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M
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A
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R
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e
Exit
Dual
Setup
H
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NOTE
If you do not have a record (or have lost the record) of the security code,
first try the factory default code, “1234” from the front panel.