“Binding” is the process of configuring a RC controller so that it can talk to the RC receiver installed inside of your quadcopter. It is a procedure you’re going to have to deal with before flying whether you bought an ARF quadcopter or you built one yourself. One frustrating aspect of binding RC systems to me is that the binding procedures for every radio system is different. Even different receivers on the same radio system can have very different binding procedures.
We have put together a set of articles outlining the binding procedure for every popular radio system used with quadcopters. Check them out: