MRB ESL base station HLS01

How is the binding relationship established between the Electronic shelf label and ESL base station?
Firstly install the smart ESL base station in the store, and then turn on the label binding in the management background of the ESL base station. After the binding is turned on, the label will be bound with the ESL base station closest to it in the store. ESL base station management The number of price tags is actually unlimited, but too many price tags managed by ESL base station will affect the update speed.