How to adjust the sensitivity of supermarket anti theft equipment?

For most supermarket leaders now, the sensitivity adjustment of supermarket anti theft equipment may not be very understanding, so how to adjust the sensitivity of supermarket anti theft equipment?

If the supermarket anti theft equipment can alarm normally, the sensitivity does not need to be increased. Many people think that the higher the sensitivity of the device, the better, but this is actually a misunderstanding.

Supermarket anti-theft equipment in normal use because of the external environment and its own temperature, voltage, magnetic field and other factors, sensitivity will increase accordingly, if the sensitive point begins to adjust the height will cause false alarms or random alarms, often this situation as long as the sensitivity is slightly reduced can be solved, so the sensitivity is adjusted to the middle value is good, supermarket anti-theft device in the adjustment of only one VR4 adjustment key and master the sensitivity can only rely on the detection indicator, not digital display debugging.