This is a 60 mm Cannon it can be operated in Handheld Mode or Conventional Mode using these Bipods legs.When Dropped the round activates the detonators through the firing pin, triggering the propellant charge The greater the number of charges, the farther the round will travel.In Hand held Mode The mortar is aligned alongside the muzzle for azimuth, and observe the range scale on the handle for elevation.In simple terms raising the Barrel at Higher angle the round will travel less further while Decreasing the angle results with the round travelling much further.This is how he aim the crosshair, he uses both hands and adjusts the tripod elevation using the knob as shown in the animations all in the video ahead so stay tuned and don’t miss a beat.