Keysight U1253B Guía Del Usuario Y Servicios página 184

Changing Calibration Security Code
From front panel
1 After unsecuring the instrument, press
2 The existing code will be shown on the secondary display, for example, "CSC:C
3 Press
4 Press
5 If the new calibration security code has been successfully stored, the upper left
Please refer to
Keysight U1253B User's and Service Guide
Calibration Security Code setting mode.
1234", where the character "C" signifies "change".
or to start and choose which digit to edit, and press
edit the value. (To exit without changing the code, press
second.)
(Save) to save the new security code.
corner of the secondary display will momentarily show the word "PASS".
Figure 6-5
Performance Tests and Calibration
on page 184.
for more than 1 second to enter
for more than 1
6
or to
183