Please see below picture, they are the back of the chips, receiver chip (IC) is on the left and remote control chip (IC) is on the right.


1. Check the MHz of your existing receiver, and make sure they are in same MHz

2. Check the back of the chip (IC) on your receiver, and see if the back of the IC has been set with particular pattern. for example, like pic. A2

3. when you receive this item, our chip (IC) has not been weld (as picA1 and B1), so if your own receiver also not weld in particular pattern, they will able to learn automatically. If, however, your receiver has weld particular pattern, you may need a small metal welder and when you receive this item, you have to open the control and weld the same pattern to the control, then it will able to use. 

4. To weld them in same pattern, you can check there should be "H" and "L" at the back,

so for example, if you weld to H, say 2nd column, on the receiver, you have to weld to the remote control also, and it must be on the 2nd column and to H also. you can also refer the example in below picture A2 and B2, and please also let us know if you other concern.




                 A1                                                                            B1




                 A2                                                                                  B2

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