............................................................................. 错误!未定义书签。Р 2.1.4电源要求...................................................................................................... 错误!未定义书签。Р 2.1.5.接地要求.................................................................................................................................... 5Р 2.2操作步骤............................................................................................................................................. 5Р 2.2.1开机步骤..................................................................................................................................... 5Р 2.2.2关机步骤..................................................................................................................................... 5