As a grenadier, fire your first grenade into the center of the target. Then distribute your shots over the remaining target area. Your leader will control your fire. The noise and confusion of battle will limit the use of some methods of control, so he will use the way or combination of ways that does the job. This includes both voice and devices such as whistles and horns.
Sound signals are good only for short distances.
Their range and reliability y are reduced by battle noise, weather, terrain, and vegetation. Voice communications may come directly from your leader to you or they may be passed from soldier to soldier. In prearranged fire, your leader tells you to start firing once the enemy reaches a certain point or terrain feature. When using prearranged fire, you do not have to wait for an order to start firing. In this method, your leader gives a prearranged signal when he wants you to start firing.