akti fu'ivla

x1 is running service/in operation/performs functions x2; x1 is "turned on", working, acting, active, in action

See also ca'a se pilno, tolspofu, na'akti, aktigau

In notes:

tolspofu
x1 is capable of performing functions/ready for use or service x2; x1 is operable, functional, operational, usable, unbroken, useable, utile
katci
x1 is turned on / activated / operational for function x2
tekla
x1 is a button/key (of piano, typewriter, computer) causing event x2 (property of x1)
aktigau
x1 turns on / activates x2
entuzi
x1 is enthusiastic, excited about x2 (event / property of x1)
itka
x1 is not running service/not in operation/not performing function x2; x1 is "turned off", not working, inactive
na'akti
x1 is turned off / deactivated / not operational for function x2
na'aktigau
x1 turns off / deactivates x2