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磁带消磁是各大专院校、中小学、图书馆、文艺团体进行有声读物复制的必备设备。如果使用时间太长,消磁器可能因过热而损坏,特别是由于疏忽或停电后忘记切断电源,将导致设备完全损坏,甚至有引发火灾的危险。为防患于未然,给消磁器增加安全装置很有必要且方法很多。本文介绍的线路特点:(1)电源接通,消磁器并不工作,必须按一下启动开关,消磁器才得电工
Tape demagnetization is the necessary equipment for audio-visual reproduction of tertiary institutions, primary and secondary schools, libraries, art groups. If the service life is too long, the demagnetizer may be damaged by overheating. Especially if you forget to turn off the power after negligence or power failure, it will cause complete destruction of the equipment and may even cause fire. To prevent accidents, to demagnetizer to increase safety devices is necessary and many ways. This article describes the line features: (1) power is turned on, demagnetizer does not work, you must click on the start switch, demagnetizer only electrician