Technical data

Performance Tests and Calibration 1
Calibration Security
34450A Service Guide 25
Example 3
Assume the calibration security code has been set to ATB1 through
remote interface. The first two characters (AT) are ignored. The B is
represented by a zero. The “1” is still used and trailing zeros fill in the
remaining characters. Use this code to unsecure:
01000
To unsecure the instrument from the front panel
1 Press followed by to enter the Utility menu.
2 Use the navigator keys to move the pointer to CALIBRATION and
press to enter Calibration menu.
3 Press to enter the security code. Use the navigator keys to
step to each character in the code and to select each character.
4 Press when done.
5 If the correct security code was entered, ACCESS GRANTED is
shown and CAL MODE is shown at the last row.
Unsecure the instrument without the security code.
To unsecure the instrument without a correct security code, send
CAL:SEC:STAT RESET command through the remote interface. The
security code is reset to factory settings (AT34450). Refer to the
CAL:SEC:STAT command in the 34450A Programmer's Reference Help
File for more details.