1. Set your transmitter to pairing mode by following the instructions from the transmitter's manufacturer.
2. Make sure your BTunes is turned off.
3. Hold down the multifunction button until the BTunes enters pairing mode. This is indicated by the LED flashing red and blue alternately.
4. Hold the BTunes close to the transmitter, the two devices should now pair. Once paired the BTunes LED will stop flashing red and blue and will instead blink blue two times consecutively at intervals.