Excavator Human Study

Game goal: Use the excavator arm to touch the red target. (Tip: looking for "No.1/2/3" in the air indicating target location, they may hide behind obstacles) Control: [Travel levers] O: Right track reverse U: Right track forward Y: Left track forward R: Left track reverse RTUYIOP FGH LJI [Operation levers] I: Boom roll in K: Boom roll out L: Bucket roll out J: B…