Code clearing method: Press and hold the "A" key and the "B" key at the same time, the LED indicator flashes 3 times, release the pressed "B" key, the "A" key is not loose, click the released "B" key three times, the LED indicator The light enters the fast flashing state, and all the data in the memory is cleared at this time. After the data is cleared, no matter which button is pressed on the remote control, the LED indicator will not light up. Copy method: One holds the original remote and the other holds the duplicate remote. Move the two remotes as close as possible. (The ideal is to place the two remotes side by side on a table, with zero distance.) Press the desired repeat button separately. , the LED indicator flashes 3 times and then flashes quickly, the copy is successful, and the operation methods of other keys are the same. Some remote controls have low transmission power, so the original remote control and the duplicated remote control should be copied by back-to-back operation. If interference exists in certain operating environments, it should be avoided to interfere with operation. (Especially important: the remote control you have must work and be on the same frequency as our remote control) Features of the new copy remote control: The four keys can respectively copy four different types of chips, that is, one remote control can operate four different types of facilities. Common replicable garage doors, retractable doors, gates, parking locks, and anti-theft devices are: Dalian Xicheng series (including New Soma), Hangzhou Menren series, Shenzhen Zhongtian A\Zhongtian B, Foshan Hoss White \ Hoss Blue \ Hoss Transparent\315MHz Hoss Sliding Doors, Ningbo Duya 1\ Duya 2 .Ideal series, Yantai Shengda series, Yantai Boda series, Shenyang Haitong series, Shenyang Future Wright red light\green light (including welding code, learning code), Xuji S60\S66 series, Hongmen series, speed series, Changshun series, Master series (including learning code), Shenzhen Shunchang series, Jiangxi Parkson Hercules series (including welding code, learning code, rolling code), Juguang series, Haizhu series, Haiyu series (including Sharp 315MHz), Jiahe series (including Jiahe 315 special rolling code), iron universal fixed code series