Hello you guys i need help please. I have 2 rovan 1/5 cars 5b & 5t. i use a spectrum dx3 radio system on it. i also have 2 elec car for my boy. i wanted to use the orig rovan radio on these cars. i am having problems binding the rec to the trans. i must add i never kept the manuals. can anybody help me with rhis problem.

thanks
Zeus