Press the red button on the transmitter for 2 seconds. The LINK LED should start blinking on both transmitter and receiver units. After they blink for 5 seconds, they will pair.
How do you bind a Sanwa RX 481?
https://www.youtube.com/watch?v=36JLXQF7S-w
Can you bind different transmitter to any receiver?
You can use a transmitter with any receiver. BUT you have to have a way of changing the antenna when you transmit. There are antenna relays for this purpose that will automatically make the change for you. The power of the transmitter would quickly destroy your receiver.