Different modes of the XRF analyzer are used to test different types of samples. For example, the alloy mode is used to analyze various types of alloys, the mining mode is used to detect different types of iron ore, copper ore, titanium ore, lead ore, etc., and the precious metal mode is used to test samples containing precious metals such as Au, Ag, and Pt as the main element. Different analysis modes is designed for different applicatiosn.