A:Answer Hi frustrated, If the POWER/GREEN indicator flashes green, it means no signal or low signal is input. Start playback of the A/V component, or raise the volume of the connected A/V component within the range where the sound is not distorted, otherwise, the transmitter will turn off. If no signal or low signal is input for about 4 minutes, the transmitter turns off automatically. See this link for more tips: https://www.sony.com/electronics/support/res/manuals/4691/46918931M.pdf
Regards,
Vincent