1
Calibration Procedures
42
Keysight U1281A/U1282A Service Guide
Figure 1-6
Multimeter display when changing the calibration security code
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
After appearing briefly
Pass