1. Long press the side button of the transmitter to enter the menu;Long press the middle button of the receiver to enter the menu.
2. Select “Pairing” on both the transmitter and receiver, then confirm.
3. Wait for pairing to complete.

PS:The Cosmo C2 supports only 2 transmitters and 1 receiver. The first transmitter paired with the receiver is TX A, and the second transmitter is TX B.
