Avantree BTTC-417 Manuel de l'utilisateur - Page 9
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Troubleshooting
Not working/no sound
1. Transmitter and Headphones are not connected properly
Turn o and on both headphones and transmitter, they should auto connect to each other, once
connected successfully, LED indicator on TC417 turns SOLID BLUE.
2. No audio signal going into the transmitter
If connected using OPTICAL port:
a) Ensure AUX/SPDIF (Optical) Switch on TC417 is set to "SPDIF" position.
b) Ensure your TV audio format is set to "PCM" or "DOLBY/DTS" is o ;
c) Change your TV audio OUT setting to "External Speaker".
If connected using the RCA ports:
a) Ensure AUX/SPDIF(Optical) Switch on TC417 is set to "AUX" position.
b) Ensure you are using the Red/White ports labeled "Audio OUT". Other RCA ports are usually
AUDIO IN and incorrect.
c) Change your TV audio OUT setting to "External Speakers".
d) Plug a pair of wired headphones into the RCA ports using the AUX 3.5mm to RCA audio cable,
check if you can hear sound.
If connected using AUX/3.5mm audio out:
a) Ensure AUX/SPDIF(Optical) Switch on TC417 is set to "AUX" position.
b) Change your TV audio OUT setting to "Headset", directly plug headphone into TV with the AUX
3.5mm audio cable, check if you can hear sound.
Short range/audio cuts
Unstable Bluetooth connection – Clear paired history of BOTH the transmitter and headphone.
Wireless signal interference – Other wireless devices in the vicinity of the transmitter may be a ect
ing its range, move the transmitter away from other nearby wireless devices such as an Apple TV, a
Chromecast stick, a Roku stick, any other RF audio transmitters etc.
Short range of headphone – Operating range is determined by devices on BOTH ends. Use your
cellphone to test whether the range of your headphones is acceptable.
Source issue – When you play an internet source from PC, or cell phone, quite often, the audio cuts
are Internet bandwidth / speed related. Please test with non-streamed, local content on your phone
and check again.
Audio delay
All Bluetooth devices will work with this Avantree Bluetooth transmitter. aptX Low Latency compli
ant headphones/speakers (e.g. Avantree Audition Pro), will achieve a negligible 40ms delay (laten
cy), ideal for watching TV/movies. aptX Low Latency certi ed products:
https://www.aptx.com/aptx-low-latency
Non-aptX LL supported headphones/speakers (e.g. Bose, Beats, Sony), will use either the SBC or aptX
codec and will experience a 70-220ms latency (may be noticeable by some users).
Noise
Audio source – Plug wired earbuds into your TV or other audio source, check if the sound is normal.
Audio cable – Try a di erent audio cable for connecting the TC417 and your audio source.
Power supply – If you want to charge the TC417 while it's in use, 1) do not use a TV USB port, try
using a separate USb charger 2) if noise persists try using a di erent charge cable.
Clear paired history – Clear the paired history of BOTH the TC417 and your Bluetooth device.
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