It is towed for direct firing at the movable and stationary targets by optical sight. With it’s panormatic telescope and the range quadrant. It is not only used for firing from the masked position, but also for direct firing.
During the night, the sighting devices are illuminated by means of the instrument light and autonomous tritium illumination.For firnig with 122 mm howitzer the semi-fixed rounds with the high-explosive shell, illumination shell and smoke shell with reduced, changeable and full propelling charge at the ranges up to 17 km are used.