济南汽车音响改装介绍说大约有80%的音响系统属于原装防盗音响，音响防盗的基本原理是车主通过音响面板上的按键给汽车音响输入设定的密码，使音响处于防盗状态。一旦音响系统由于某种原因锁死，除非由车主输入正确的密码，否则音响仅能闪烁“CODE”或“SEC”等字样，而不能使用，这样就起到了防盗的作用。
Jinan car audio conversion, said about 80 percent of the original anti-theft stereo sound system is the basic principle of sound security is the owner through the buttons on the audio panel for car audio input setting a password, so that the sound in the security state. Once the sound system for some reason locked, except by the owner to enter the correct password, or audio only flashes the word "CODE" or "SEC", etc., and can not be used, so that played a role in anti-theft.

济南汽车音响改装http://www.sdcarmusic.com/谈到轿车在使用和维修过程中，如果拆下蓄电池的电缆线，蓄电池严重亏电，音响电源熔断器熔断或拔下音响熔断器，或者音响电源线断路或人为拔下音响电源插头时，防盗音响就会锁死。所以在进行维修时，若不知音响密码，千万不要断开蓄电池的电源线。在更换蓄电池时，必须先并接一新的蓄电池后再拆旧蓄电池。不要误拔音响熔断器。锁车时应断开所有的用电器，以防止蓄电池因过度放电导致音响自动锁死。一般而言，音响断电后，由于在其内部有一只容量较大的存储电容，因此需要一定的时间使这只大容量电容放完电后，才会使音响出现锁死。
Jinan car audio conversion comes to cars in the use and maintenance of process, if removing the battery cables, battery severe loss of electricity, stereo sound or unplug the power fuse blown fuse or circuit breaker or artificial sound unplug the power cord audio power when the plug, anti-theft lock will sound. Therefore, during maintenance, I do not know if the sound password, do not disconnect the battery's power cord. When replacing the battery, you must first

connect a new battery and after demolition of the old batteries. Do not mistakenly pull sound fuses. Lock car should disconnect all electrical appliances to prevent battery discharge due to excessive lead sound automatically locked. In general, after the sound power, due to its internal storage capacity of a larger capacity, so take some time to make this big capacitor discharge capacity after the electricity, will make the sound appear locked.

济南汽车音响改装http://www.sdcarmusic.com/讲到当音响锁死以后，要想再使用音响就必须按正确的步骤输入正确的密码，如果多次输入错误密码，将会导致音响被永久锁死。音响密码的获取可以在在原车上查找或者用读码器读取。
Jinan car stereo audio conversion talked When locked, in order to re-use audio you must enter the correct password and press the right steps, if repeatedly enter the wrong password, it will cause the sound to be permanently locked.

Audio password can be found in the original acquisition or car code reader for reading.