To tune up, the guitarist tightens an adjustor screw at the bridge that alters the position of its corresponding spring, changing its leverage to obtain the right tension.
调音时，吉他手旋紧琴桥上的调整螺旋来修正所对应弹簧的位置，以此改变杠杆角度获得正确的张力。
2
With the hinge cover removed, we now remove the screwright under the hinge.