full mission builder - objects ?

[Pluto]

...thanks Bliss for those nice pictures.
I have tried and put different generators near the searchlights, the small ones and the big ones.
But none of them seems to activate the searchlights when enemy planes aproach.
I also have tried the set function where you get a green string on your cursor with that bullseye at the end, but you cant position it anywhere. Maybe I have missed something? Well I keep on trying, ...