求翻译：将光纤捷联罗经牢固的固定在水平和静止的基座上，接通额定值的电源。根据5.1方法测试光纤捷联罗经稳定点，计算稳定点艏向与真艏向之差。数据记录表格见附表3。是什么意思？

Fiber-optic strapdown compass firmly fixed base level and still connected to the rating of power. Accordance with 5.1 method of testing fiber stable strapdown compass point to calculate the bow of the stable point to the real bow to the difference. Data record forms, see Schedule 3.