安防拾音器在监控系统中的作用和安装方法（The role of security pickups in monitoring system and method of installation）.doc

安防拾音器在监控系统中的作用和安装方法（The role of security pickups in monitoring system and method of installation） The role of security pickups in monitoring system and method of installation What is the pickup? Is used for pickup parts synchronous video monitoring system. The image that: the camera is the eyes and ears are pickups. Hard disk recorders are responsible for storing sound and images, and monitors and speakers are used for playback. Not all of the microphone pickup is?. The pickup contains not only high sensitivity microphone, integrated preamplifier circuit. Therefore, the pickup can be directly connected to DVR, active speakers, headset, sound card, and also need to connect the microphone amplifier. In addition, ordinary microphones are usually directional and low sensitive, and speak at close range. In order to further pickup pickup, most are designed with high sensitivity and without direction or directional. Note pickup installation Do not use it near a water source. Use a damp cloth to clean the surface. Do not spray liquid to pick-up, otherwise it will destroy the pickup circuit. According to the instructions of the installation manual. Dont be pickups mounted on the heat sources, such as microwave ovens, electric heater, stove, power amplifier etc.. Do not remove the safety ground wire of the power supply. Make sure the power supply is not crushed or trampled, especially at both ends of the power line. Try to use the accessories or accessories supplied by our company. It can be used in conjunction with the standard professional audio equipment, so as to give full play to its effectiveness. When installing, it is not harmful to the equipment or the human body when the moving line is confirmed. Lightning weather or long-term use, please keep this. Provide detailed maintenance information for professional maintenance personnel. When including the pickup problems: power line damage, liquid or other items into the pickup, pickup internal rain or moisture, do not work