Plug the battery into any channel. Put the bind plug into the slot on the RX where the battery plugs in. Turn on the RX, you should get blinking lights on the RX. Then hold down the bind button on the back of the TX and turn it on. The RX lights should go solid. Turn off the RX and the TX. Remove the bind plug and plug the battery back into it's slot . You must have the right model selected before you start this procedure.