What do the Link LED colors mean?

TX LINK LED

The LINK LED is used to display the power state of the Transmitter, the state of pairing between the Transmitter and Receiver, and firmware upgrade status.

• When the Transmitter is powered on, the LED glows steadily in orange, then it blinks slowly in orange while loading the system.
• It glows steadily in green when it has paired with the Receiver. It blinks fast in orange while it is pairing with the Receiver or when pairing fails.
• It blinks slowly in red while it is being upgraded. And it glows steadily in red when the upgrade fails.

RX LINK LED.

The LINK LED is used to display the power state of the Receiver, the state of pairing between the Receiver and Transmitter, and firmware upgrade status.

• When the Receiver is powered on, the LED glows steadily in orange, then it blinks slowly in orange while loading the system.
• It glows steadily in green when it has paired with the Transmitter. It blinks fast in orange while it is pairing with the Transmitter or when pairing fails.
• It blinks slowly in red while it is being upgraded. And it glows steadily in red when the upgrade fails.