1 进行数次空白样激发。注意整个过程中一定要保护好密封圈。

1 a number of blank samples were performed. Be sure to protect the seal in the whole process.

2 清洁透镜

2 clean lens

清理透镜的时间取决于激发样品的次数及样品的材料。随着样品激发次数的增加，灰尘不可避免的会被溅在透镜上，从而导致强度下降。

The time to clean the lens depends on the number of times the sample is excited and the material of the sample. As the number of sample excuses increases, the dust will inevitably be splashed on the lens, resulting in a decrease in strength.

将仪器侧面打开后，将阀向下转到底升起透镜架把手， 取出透镜架。 将透镜架放置到一个干净的桌面上， 取出透镜 （从内部细铜处） ，用 95%以上的乙醇、拭镜纸清洁透镜，待酒精挥发干后，按原来的位置装好。 注意保护好透镜，不要造成损坏，凸面向可取环方向。

When the side of the instrument is opened, the valve is turned down and the handle of the lens frame is raised, and the lens frame is taken out. Put the lens holder on a clean desktop, take out the lens (from the inner fine copper), clean the lens with more than 95% ethanol and wiper paper, and dry it after the alcohol evaporates, and install it in its original position. Pay attention to the protection of the lens, do not cause damage, the convex surface direction to the desirable ring.