1
Calibration Procedures
44
Keysight U1281A/U1282A Service Guide
for the multimeter display.
Figure 1-7
Multimeter display when resetting the calibration security code
to its factory default
Press
for more than
1 second.
Esc
Shift
Press
or
on
for left or
right.
Press
or
to
increment or decrement the
digit.
Hold
Vsense
Press
to
save your input
Hz
Save
Fail
After appearing briefly
After appearing briefly
Pass