... transmitter, there will be “bi, bi” on the receiver, means the code has been learnt successfully. If there ... turn on and off the power supplier of the receiver for 5 times at the interval of 1 to 3 ... seconds, when there is “bi” on the receiver, it will enter the learning status. The learning method ... Remove the code: Long press the learning button on the receiver until there is “bi, bi, bi”, means the ...