Keysight Technologies 3458A Guide D'utilisation page 249

DCI, DCV
Refer to the
DEFEAT
Enables or disables the multimeter's input protection algorithm (see CAUTION
below) and some syntax and error checking algorithms. With these algorithms
disabled, the multimeter can change to a new measurement configuration faster
than it can with them enabled.
Syntax
DEFEAT [mode]
mode
The mode parameter choices are:
mode
parameter
OFF
ON
Power-on mode = OFF
Default mode = OFF.
Keysight 3458A User's Guide
FUNC command.
Numeric
Description
query equiv.
0 Enables protection, syntax, and error algorithms
1 Disables protection, syntax, and error algorithms
Command Reference 6
249