● Keep the transmitter at least 0.5m away from the receiver.
● Long press the button in the middle to enter the menu interface on both the TX and the new RX.
● Choose "PAIR" in "SYSTEM SETTING" at the same time.
● The devices will start to pair automatically.
Menu Interface:

● Long press the button in the middle to enter the menu interface on both the TX and the new RX.
● Choose "PAIR" in "SYSTEM SETTING" at the same time.
● The devices will start to pair automatically.
Menu Interface:
System Setting Interface:
