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• OPTICAL output on TV – set your TV audio format to “PCM/LPCM” or turns off Dolby/DTS
3) Change your TV audio out device setting to External speakers/Headset
3. Headphones do not pair with Bluetooth device
1) Ensure the AS90T is in Pairing mode – LED will flash BLUE and RED alternately.
2) For Bluetooth transmitter, ensure the transmitter is in Pairing mode – please refer to user manual.
3) For mobile phones, tablets and PCs:
• Turn the Bluetooth off then on again.
• Delete/forget the “Avantree AS90T” from your device’s Bluetooth list and then try to pair again
• Clear the headphone’s pairing history, and pair again