Keysight Technologies U1253B - Figure 6-5 Changing the Calibration Security Code

6 Performance Tests and Calibration
184 Keysight U1253B User’s and Service Guide
Figure 6-5 Changing the calibration security code
Press
to select digit
Press
to edit selected digit
or
or
Press View > 1 second
New security code
New security code
is acceptable
is not acceptable
Press Save when done
To exit without changing the code
press View > 1 second
Error message appears for 3 sec.
The word “PASS” appears
for 3 seconds