How to adjust the sensitivity of supermarket anti-theft equipment?

For most supermarket managers, the sensitivity adjustment of supermarket anti-theft equipment may not be well understood, so how to adjust the sensitivity of supermarket anti-theft equipment?
The recommended value for the sensitivity adjustment of the supermarket anti-theft equipment is to test with the first light of the indicator light on. If the alarm can be normal, it does not need to be increased.
So why shouldn't the sensitivity of supermarket anti-theft equipment be adjusted very high? Many people think that the higher the sensitivity of the device, the better. In fact, this is a different area.
Analysis: In normal use, the sensitivity of the device will increase accordingly due to the external environment and its own temperature, voltage, magnetic field and other factors. If the sensitive point is adjusted to the height at the beginning, it will cause false alarms or false alarms. It can be solved by reducing the sensitivity, so it is good to adjust the sensitivity to the middle value. There is only one vr4 adjustment key in the adjustment of the supermarket anti-theft device, and the sensitivity can only be controlled by the detection indicator light.