Adjective
resettable (comparative more resettable, superlative most resettable)
Capable of being reset.
These values are resettable.
Safety NiMH cell that popped its cap due to failed safety valve A resettable fuse in series with the cell, particularly of the bimetallic strip type, increases safety. Source: Internet
Or zero may be resettable by the user-there are several variations possible. Source: Internet