Complex sentence: The player can also change the firing modes of his or her fighter's weapons (for example, having a pair of laser cannons fire together or alternately) and, if the ship possesses shields, the player chooses the shield balance between front and rear.
Split into simpler sentences: The player can also change the firing modes of his or her fighter's weapons (for example, having a pair of laser cannons fire together or alternately). If the ship possesses shields, the player chooses the shield balance between front and rear.