Universal (insert console here) means any 'rank' can hold it.
45 deg in each firing arc makes 360 degrees of coverage. Think of a pie chart with four slices. Yes I want it to target lock projectiles and small fighters. It is a countermeasure system however can be activated at any time. Say you swoop in and you have 3 Borg Sphere's around you. Just hit the 'Easy Button' . They wont target them but the will do some damage. And they will take out torpedoes, mines, plasma bolts ect with extreme prejudice.
I can't wait to post up my 3D model. It will differ from this image I uploaded but the overall conflagration of being the Chihuahua of Star Fleet will remain