2. If the power supply used by the supermarket anti-theft device is left zero and right fire, then the socket should also be left zero and right fire, so that there will be no line conflict when matching.
3. If the installation environment interferes with the supermarket anti-theft device, it is necessary to perform phase debugging on the supermarket anti-theft device, and then check the interference sources one by one.
4. When installing the supermarket anti-theft device, it needs to be wired in the case of power off. After all the connecting lines are connected, power on again. Do not unplug any wire interface on the motherboard at will when the power is on
5. After the supermarket anti-theft device is installed, it is necessary to check whether there is an anti-theft label left on the site within 1.5 meters of the device. If there is, remove the label first, and then restart the device, otherwise the supermarket anti-theft device will easily continue to sense and cause constant alarm. Happening
6. The supermarket anti-theft device should not be too close to the wall. It is recommended to install it at a distance of about 10-20 cm from the wall, and it is best not to install it too close to large electrical appliances such as air-conditioning elevators to avoid interference.