Ok. Spectrum binding. 1.put bind plug into pins marked battery ,bind. 2 plug battery into either throttle or elevator pins 3 ensure batteryplug is inserted with white or orange wire is nearest to main body of the reciever. Ensure tx is switched off.4 hold switch on top of tx in on position.5 switch on tx and wait approx 30 Seconds .if it is orange receiver it should now show a steady light. 6 remove bind plug..( Check batteries are installed correctly in tx.) It's surprising how many times.folks put them in wrongly..