求翻译：4.5 非专业人员请勿私自打开局放设备，以免由于对设备不熟悉而造成不必要的人身伤害。若怀疑设备有问题，请与厂家联系，厂家会给与及时解决。是什么意思？

4.5 non-professionals do secretly open the PD device, so as not to cause unnecessary personal injury are not familiar with the equipment. If you suspect the device have problems, please contact the manufacturers, the manufacturers will promptly solve.

4.5 non-professional staff, please do not turn on the device without authorization, in order to avoid the unfamiliarity of the device as a result of the injury is not necessary. If you suspect that there is a problem with a device, please contact with manufacturers, the manufacturers will be provide

4.5 The layman please secretly do not open the bureau to put the equipment, because in order to avoid is not familiar with to the equipment causes the nonessential person damage.If suspected the equipment has the question, please with the factory relation, the factory can give the prompt solution.

4.5 lay people do not secretly turn on the device, so as to avoid unnecessary due to the device are not familiar with bodily harm. If the suspect device problems, please contact manufacturers, manufacturers and resolved in a timely manner.

正在翻译，请等待...