EAS Soft label does not alarm

the problems to be detected whether EAS soft labels, in testing is nothing jamming alarm outside, large LED screens, metal, for example, elevators, refrigerators and other objects, see alarm led interference, device debugging method is different.

Caused alarm problem summarized the following four points:

1, door setting distance and grounding may not be standard

2, may be subject to interference of metal objects

3, the eas soft label failure

4, normal decoding, or door not open or broken