What is the main feature of the "fuse" used in mortar rounds?

The main feature of the fuse used in mortar rounds is to determine the detonation timing. Fuses are critical components that activate the explosive charge at the appropriate moment, ensuring that the round detonates at the desired altitude or upon impact with the target. This capability allows for effective engagement of different target types and can be adjusted based on tactical needs.

For instance, certain types of fuses can be set for airburst detonation, which can be advantageous in targeting troops or soft-skinned vehicles over an area. This timing precision directly impacts the round's effectiveness and the overall success of the mission. Understanding the role and function of the fuse is vital for anyone involved with mortars, as it is integral to achieving the desired outcome in combat situations.