Specifications

Chapter 2 Service
About the Agilent 53210A/53220A/53230A Calibration Menu
104 Assembly-Level Service Guide
2Press the Unlock Cal softkey to complete the data entry.
• If the code is valid, the Unlock Cal annunciator changes to Lock Cal to
show the data was accepted and the counter is now unlocked for
calibration.
–The Cal Count is not incremented.
•If “AT53210A” is NOT the correct security code, the counter will
display:
– “Incorrect Security Code - Try Again”
To Change to a New Security Code
1 Unlock the counter by using the procedure described in the
previous section titled “To Unlock The Counter For Calibration”.
2 Enter a new security code and then press the Lock Cal softkey.
CAUTION IMPORTANT! Be sure to write down the new calibration security
code you enter before you lock the counter. Once the counter is
locked, there is no way on the counter to tell what the code is.
However, there is a procedure that can be used to reset the secure
code to null so that a new code can be entered. Refer to “Resetting
the Security Code to a Null” on page 141 .
• The data entry area and Secure Code areas change to all dash ( -- )
characters when the code is accepted.
•The Cal Count is incremented and the Lock Cal softkey changes to the
Unlock Cal softkey.