Keysight U1253B Guide D'utilisation Et De Maintenance page 185

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