The system automatically detects when calibration is required. The 5-minutes calibration process can be easily performed by the operator, with the calibrationbar provided.
在需要校准的时候系统可以实现自动监测，操作者使用所提供的校准棒，在五分钟内即可完成校准过程。
2
This thesis describes the principle and implementation of a level barcalibration system based on image processing and recognition methods.