Function:1,pressthebackpartofconsoledownwardgentlytilltothecrystalcaseedgebayonet,thenpushandfastentheconsole.2,Maketheconsolematchwiththecrystalcaseaccordingtothecorrectpositioninrevolutionaxisplace.3,Pressthefrontpartofcrystalcaseconsoletillthemfasternfilrm