Are warnings provided if out-of-range values are entered?
Entry of out-of-range/extreme values (e.g. out-of-range values can be expressed as % change in relation to a given value) may initiate deviations in the process and damage equipment. Check keyboard entry commands for potentially dangerous similarities. Data being entered should be displayed and the data should be checked and a confirmation requested.
RSOK I-002, point 4.4.1.2, p. 10., NUREG0700, point 2.7.4-1, p. 199.
DC: Applicable to the DC