zmiku -zmi- gismu

x1 is automatic in function x2 under conditions x3.

See also macnu.

In notes:

cabra
x1 is apparatus/mechanism/device/equipment for function x2 controlled/[triggered] by x3 (agent).
macnu
x1 (event/action/process) is manual [not automatic] in function x2 under conditions x3.
zmiselcu'a
x1 is the default choice of chooser x2 from the set x3