To automate this, operator intervention is replaced by a reader.

Answers to simple questions such as account balances or pre-recorded information can be provided without operator intervention.

These sources of error required many operator interventions to correct.

Under the current threat condition, though, it still required operator intervention.

Written on a setpoint change (may be scheduled or the result of operator intervention).

The ultimate objective is to prevent, or at least minimize, physical and economic loss through operator intervention in response to the condition that was alarmed.

This was demonstrated throughout a series of safety tests in which the reactor successfully shut down without operator intervention.

These techniques, although they take a long time, involve very little operator intervention and thus are very cheap.

Note that the receiving machine did not need operator intervention.

The expansion of the fuel and structure in an off-normal situation causes the system to shut down even without human operator intervention.