Fuze time, when used with HE and WP, should be adjusted to obtain an effective HOB; then these projectiles are useful against troops and vehicles in open and in trenches, as well as in rough terrain.

• 在用于高爆弹和白磷弹时，应调整至空中爆炸的效果，这可有效对付在开阔地、在壕沟以及不平坦地形中的部队和车辆。