Keysight U1211A Guía Del Usuario Y Servicios página 98

6 Performance Tests and Calibration
Unsecuring the instrument
1 Press Range/Auto for more than 1 second while rotating the rotary switch to
2 The annunciator primary display will indicate "5555" and the annunciator
3 Press Range/Auto again to edit and enter security code.
4 Press
5 Press Hold/Max Min when done. If the correct security code is entered, the
Changing the instrument Calibration Security Code
1 When the meter is in the unsecured mode, press Range/Auto for more than
2 The primary display shows the current security code and the secondary display
The factory default calibration security code 1234 will be displayed on the
NOTE
primary display if this is the first time to change the security code.
3 Press
4 Press
5 Press Hold/Max Min to store the new calibration security code. If the new
98
~A on the clamp meter to enter the Calibration Security Code entry mode.
secondary display will indicate "SECU".
or (refer to
code. Press or
secondary display will indicate "PASS".
1 second to enter the Calibration Security Code setting mode.
shows "CHG"
or to step each character in the code.
or to change each character in the code.
security code is successfully stored, the secondary display will indicate
"PASS".
Keysight U1211A, U1212A, and U1213A User's and Service Guide
Table 4-1 on page 64) to step each character in the
(refer to Table 4-1 on page 64) to select each character.