Keysight 3458A - Required Test Equipment

Command Summary 5
Keysight 3458A Calibration Manual 111
SECURE
Description
Security Code. Allows the person responsible for adjustment to enter a security
code to prevent accidental or unauthorized adjustment or autocalibration
(autocal).
Syntax
SECURE old_code, new_code [,acal_secure]
old_code
This is the multimeter's previous security code. The multimeter is shipped from
the factory with its security code set to 3458.
new_code
This is the new security code. The code is an integer from -2.1E-9 to 2.1E9. If the
number specified is not an integer, the multimeter rounds it to an integer value.
acal_secure
Allows you to secure autocalibration. The choices are:
Power-on acal_secure = Previously specified value (OFF is the factory setting).
Default acal_secure = OFF.
Remarks
– Specifying 0 for the new_code disables the security feature making it no longer
necessary to enter the security code to perform an adjustment or autocal.
acal_secure
parameter
Numeric query
equivalent
Description
OFF 0 Disables autocal security; no code required for autocal
ON 1
Enables autocal security; the security code is required to
perform autocal (see ACAL for example).