Avantree BTTC-418-P Manuel utilisateur
User Manual
Bluetooth Transmitter
BTTC-418-P
AUX OPT
LL
FS APTX
SBC
USB
Overview··················································································································································································· 1
LED indication········································································································································································· 1
Pair and connect to Bluetooth headphones·················································································································2
Use with your TV ····································································································································································2
Check your TV output options before the set up ··································································································· 2
TVs with OPTICAL audio out·········································································································································· 3
TVs with AUX 3.5mm audio out····································································································································3
TVs with RCA audio out (Red/White ports labeled “AUDIO OUT”)····································································4
Use with your AV Receiver with 6.35mm PHONE jack ·······························································································5
Use with your PC/Laptop ····················································································································································5
Add a 2nd pair of Bluetooth headphone ·························································································································6
Clear paired history ·······························································································································································7
Adjust volume········································································································································································· 7
Troubleshooting····································································································································································· 7
1
A for 1
st
headphone
Codec indicators
Bluetooth status
indicator for A
B for 2nd headphone
Bluetooth status
indicator for B
ON/OFF
Audio input indicators
Volume control button
AUX OPT
LL
FS APTX
SBC
USB
OPTICAL
ON/OFF
DC IN
AUX
Status
Power on
Pairing
Connected
Reconnecting
All LED light up for 2 seconds
ash RED and BLUE alternately
turn solid BLUE
ash BLUE every 2 seconds
LED Indicator
Connected using the aptX LOW LATENCY codec
Connected using the aptX codec
Connected using the FastStream codec
Connected using the SBC codec SBC turn solid light
FS turn solid light
APTX turn solid light
LL turn solid light
Valid optical audio signal OPT lights up
Invalid optical audio signal OPT ashes
Valid analogue audio signal AUX lights up
Invalid analogue audio signal AUX ashes
Audio Playing on PC USB lights up
Overview
LED indication
Pair and connect to Bluetooth headphones
Powering up the transmitter
Power up the transmitter using the USB cable provided. Connect it to either TV USB port (TV must be
ON to provide power) or a 5V/500mA-2A rated USB charger (e.g. your phone charger should work.)
Then slide the ON/OFF switch to ON. All LED lights will light up for 2 seconds upon powering on.
Enter the transmitter into PAIRING MODE
For rst time use, the transmitter will enter pairing mode automatically, the next to will ash
RED and BLUE alternately. For non-rst-time use, press and hold for 1 second to enter pairing
mode.
Enter your headphones/speakers into PAIRING MODE
Please refer to relevant user manual (Usually LED on headphone ash RED and BLUE alternately or
ash BLUE quickly)
Connecting
During the pairing process, keep the devices close to each other and wait. Once connected, the
next to will turn SOLID BLUE.
Reconnect
NO need to manually reconnect the transmitter to your device before each use. The transmitter will
automatically reconnect to the last connected device within 5-10 seconds after both devices had been
powered on. Alternatively, reboot the transmitter and wait 5 -10 seconds for them to reconnect.
If the next to A on the transmitter turn solid BLUE, it conrms that the connection between the
transmitter and headphones is working normally. The next step is to feed the audio from your TV into
the transmitter.
After you’ve connected the transmitter to your TV/audio while following the steps shown in the
sections below, if you still cannot hear anything through your headphones, please either adjust your
TV audio output setting as suggested or contact your TV manufacturer for support.
Use with your TV
Check your TV output options before the set up
A
A
A
2
Optical
OUT
RCA jacks
labeled
"AUDIO OUT"
LR
AUX/3.5mm
Other RCA
jacks (usually
audio IN)
Natively
Supported?
Jack
Options
TVs with OPTICAL audio out
After connecting your optical cable as above, go to your TV audio settings and change your “audio
format” to “PCM”. Usually, now the “OPT” indicator on the Audikast Plus will change to SOLID WHITE,
and now you should be able to hear your TV/audio source through your headphones.
If not:
1) Ensure that your TV Speaker is set to “External Speaker.”
2) Ensure that your TV’s “DOLBY/DTS” is set to OFF (NOT auto.)
3) Ensure the audio cable is good and fully plugged.
Note:
Please make sure that you keep the 3.5mm AUX jack “vacant” while using the OPTICAL out. (If any-
thing is plugged into the AUX jack, the transmitter will default to the AUX signal and ignore any OPTI-
CAL input.)
TVs with AUX 3.5mm audio out
3
Set TV speaker to
“External Speaker”
Set TV Audio Format to
“PCM” (IMPORTANT)
Speakers
Internal speakers
External speakers
Headset
Audio Format
PCM
Dolby Digital
DTS
DTS Neo 2:5
DOLBY/DTS
ON
OFF
Set “DOLBY/DTS” to OFF
After connecting your audio cable as above, once the VALID audio signal is detected, the “AUX” indica-
tor on the Audikast Plus will light up SOLID WHITE, and you should be able to hear your TV/audio
source through your headphones.
If not:
1)Ensure your TV speaker setting is set to “Headset.”
2) Plug a pair of wired headphones into the headphones jack you’re using with the Audikast Plus on
TV. See if you can hear anything.
3) Turn up the volume and see if it helps.
4) Ensure the audio cable is good and fully plugged.
TVs with RCA audio out(Red/White ports labeled “AUDIO OUT”)
After connecting your audio cable as above, once the VALID audio signal is detected, the “AUX” indica-
tor on the Audikast Plus will light up SOLID WHITE, and you should be able to hear your TV/audio
source through your headphones;
If not:
1)Ensure that you’re using the TV Red/White ports labeled "AUDIO OUT” other
Red/White ports will NOT work.
2) Ensure that your TV Speaker setting is set to “External Speaker.”
3) Plug a pair of wired headphones into the RCA jack you’re using with the
Audikast Plus on TV. See if you can hear anything.
4) Turn up the volume and see if it helps.
4
Speakers
Internal speakers
External speakers
Headset
Use with your AV Receiver with 6.35mm PHONE jack
Notes:
1) If you’d like to connect the Audikast Plus to your AV Receiver, please ONLY
use the “PHONES” jack on front side of your receiver to avoid damaging the Audikast Plus. You WILL
need to purchase an additional “6.35mm to 3.5mm” adapter.
2) To avoid damaging your hearing, we recommended turning down the
volume of your receiver before use.
Use with your PC/Laptop
5
Use the right RCA ports Set TV speaker to “External Speaker”
Note:
If you’d like to use an USB cable that’s not provided by us, please ensure that the USB cable supports
both data syncing and power.
After connecting the micro USB cable as above, you should be able to hear from your computer
through your headphones, and the “USB” indicator on the transmitter will light up; if not:
Right-click the speaker icon on the bottom-right corner of the PC/laptop screen and select “Playback
devices.” In there, set “Avantree Audikast Plus” as “Default Device.”
To use the Audikast Plus as a microphone device, please go to your audio settings and select
“Avantree Audikast Plus” as “Microphone and Speaker device.”
Add a 2nd pair of Bluetooth headphone
Step 1: Pair and connect the transmitter to the1st Bluetooth headphone.
Step 2: Enter the transmitter into PAIRING MODE manually - press and hold for 1second. The
close to B will ash RED and BLUE alternately.
Step 3: Place your 2nd set of headphones into Bluetooth PAIRING MODE (please refer to your 2nd
headphones’ user manual.)
Step 4: Keep the two devices close to each other and wait. Once connected, the close to on the
transmitter will turn SOLID BLUE.
6
Set Avantree Audikast Plus as the playback device
Avantree Audikast Plus
Set Avantree Audikast Plus as the Speakers and Microphone
(Avantree Audikast Plus)
(Avantree Audikast Plus)
B
B
Clear paired history
Press and hold both + and – simultaneously for 7 seconds. BOTH of the indicators will light up BLUE
and RED (looks like PINK) for 5 seconds, indicating that the history has been cleared.
Adjust volume
Click or press volume control +/- once to adjust the volume. “Beep” sounds indicate that it has
reached max/min volume level.
Troubleshooting
Not working/ no sound
1. The Audikast Plus and headphones are not connected properly
Re-pair and connect them, once connected successfully, close to A / B turn SOLID BLUE.
2. No audio signal into the Audikast Plus
Please adjust your TV audio output setting as suggested in Point Connect the transmitter to your
TV/audio source or contact your TV manufacturer for support.
Audio delay
Bluetooth headphone is NOT aptX LL supported - If your Bluetooth headphone does not support
aptX LOW LATENCY (e.g. Bose, Beats, Sony), it will work with the Audikast Plus using SBC or aptX
codec and will experience a 70-220ms latency.
Short range / audio cuts
Unstable Bluetooth connection - Clear paired history of BOTH Audikast Plus and headphones.
Wireless signal interference - Move away any potential wireless interference devices, such as the
WIFI router, Apple TV, Chromecast stick, Roku stick, any other RF audio transmitters etc.
Short work range of headphone - Work range is decided by devices on BOTH ends. Please test the
work range of headphone is ok - test it with your smart phone.
Source issue - When you play an internet source from PC, Mac or cellphone, quite often, the audio
cuts are Internet bandwidth / speed related. Please test with local source Bluetooth streaming and
check again.
More FAQs at:
https://support.avantree.com/hc/en-us/sections/360003285831-TC418P-BTTC-418P-BLK-
7
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