Since Patch, I have HE I on one of my BOffs, its greyed out and unuseable during space encounters. Currently using a Romulan Dhelan. Dont think that should make a difference but there it is.
Cloaked, not cloaked, fighting, not fighting... doesn't seem to affect. Can screen shot if you like but its not like flickering or anything, just greyed out and wont actually work if clicked or short cut selected.
This is a known issue with the [Tal Shiar Deflector Dish] (all Mks). Please check if you have that equipped. This item was built incorrectly, and ends up disabling the use of most Science Powers as a result.
Please let us know if you've taken this piece of equipment off, and replaced it with a different Deflector, and the power still does not function.
I.E. Its the Tal Shiar Deflector that's making Hazzard Emitters not to work.