Multipurpose volley, how to use? (BattleTech)

Used weapons should be distributed what kind of weapon at which target to shoot. Is selected by clicking on the type of weapon several times.

Note the target on which you shoot and where you have a list of weapons fur pull on each gun and choose what and who to shoot ( say a laser at a target And missiles at a target B, a gun on target).

OK got it, will try)

Oh, this curve is the translation.. But is B a it well With it With..I wonder of course..