Head Lamp,Rechargeable Head Lamp,LED Head Lamp,USB Rechargeable LED Head Light Yuyao Flylit Appliance Co.,Ltd , https://www.flylitlight.com
The supermarket anti-theft system does not alarm the site of common troubleshooting
1. Is the power cable connected properly (whether the power indicator of the transmitting/receiving antenna is on or not) 2. Is the connector of the transmitting/receiving mainboard and the antenna connected correctly (Release the screw of the connector to re-connect) 3. Is the transmitting and receiving distance a distance? Too far (move to a distance of 1 meter) 4. The label is qualified (replace the same qualified label as the device) 5. Is the carrier frequency of the transmitting and receiving corresponding to 6. The transmitting motherboard is working properly (EAS frequency detector test, center frequency 8200KHZ , carrier frequency 180HZ, bandwidth 800HZ) 7. The main and auxiliary transmitting wire loop is connected correctly. 8. Whether the carrier frequency wire is connected correctly 9. Adjust the center frequency potentiometer to the correct parameter 10. Receive alarm horn wiring is loose or positive and negative poles are reversed (reconnect) Our company has strong technical force, advanced equipment, and high degree of modernization of production. Over the past few years, on the basis of continuously introducing, digesting, and absorbing advanced technologies at home and abroad, we have accumulated rich product design and manufacturing experience. Established and improved a scientific management system and testing methods. The company has vigorously cultivated its own core technology and actively researched and developed independent knowledge products. It has become a comprehensive business enterprise integrating scientific research, production and sales. Consulting telephone company always adhere to first-class management, first-class quality, first-class service, continuous innovation, continuous improvement, perfection, to win the support and reputation of our customers and friends.