User Manual

Clear pairing history
If you have issues with the audio stream skipping or cutting out when using Avantree AH6, please try to clear
pairing history as following:
Firstly, turn on the headset (Non-calling Status), then Tap and Hold BOTH &
5 seconds till the LED blinks
PINK
for 2 seconds, then the headphones enter into PAIRING MODE automatically.
Troubleshooting
• Set Avantree Alto Clair as the default device or output device on the PC.
• When using Alto Clair to make VOIP calls through apps, please set Alto Clair Hands-Free as Microphone and
Speakers device.
No sound with PC?
• Ensure Bluetooth transmitter and headphones are connected properly.
• Check to ensure audio source is functioning properly
- AUX & RCA output on TV – test with wired headphones
- OPT output on TV – Set audio format to “PCM/LPCM” or turn o¬ Dolby/DTS
• Change your TV audio out setting to External speakers / Headset.
No sound with Bluetooth transmitter to watching TV?
• Ensure Alto Clair is in Pairing mode – LED ashes BLUE and RED alternately.
• For Bluetooth transmitter, ensure the transmitter is in Pairing mode – refer to its user manual.
• For Smart phone, tablet and PC
- Turn the Bluetooth o¬ and then on again.
- Delete “Avantree Alto Clair headphones” from your devices Bluetooth list and then try to pair again.
• Clear the headphones pairing history and pair again.
Headphones do not pair with Bluetooth device?
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