From a Gunnery Officers perspective, the GFCS is the controlling element where loading and firing orders originate. It is essential for the Gunnery Officer to understand the GFCS to get a better perspective of the entire Gun Weapons System.
Operators can select from various GFCS modes from which the system calculates ballistic gun orders.
These orders can be modified by console operators to correct for environmental effects on ballistics. Local designations can be initiated from the COC console in a stand alone configuration. Surface Mode Operation a. Grid Mode Operation a. Indirect firing is conducted in a grid mode using coordinates of the target and own-ship to calculate target position relative to the ship.