Calibration Procedures 1
Keysight U1281A/U1282A Service Guide 39
3 When completed, press .
– If the correct security code is entered, will appear briefly on the
secondary display, after which the multimeter will enter the adjustment
mode.
– If the incorrect security code is entered, an error code will appear briefly on
the secondary display, after which the multimeter will prompt you for the
security code again.
4 Exit the unsecured mode by pressing and together to secure the
multimeter again.
See Figure 1-5 for the multimeter display.
Key in the default factory security code if you have reset the security code or if
you are unsecuring your multimeter for the first time.
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