电永久保存，具备参数恢复出厂设定功能。
NHR-5600A-00,NHR-5600A-01,NHR-5600A-02,NHR-5600A-03,NHR-5600A-04,NHR-5600A-05,NHR-5600A-06,
NHR-5600A-07,NHR-5600A-08,NHR-5600A-09,NHR-5600A-10,NHR-5600A-11,NHR-5600A-12,NHR-5600A-13,
NHR-5600A-14,NHR-5600A-15,NHR-5600A-16,NHR-5600A-17,NHR-5600A-18,NHR-5600A-19,NHR-5600A-20
NHR-5600A-21,NHR-5600A-22,NHR-5600A-23,NHR-5600A-24,NHR-5600A-25,NHR-5600A-26,NHR-5600A-27,
NHR-5600A-28,NHR-5600A-29,NHR-5600A-30,NHR-56