Avantree BTTC-500P, Oasis Plus User Manual

User Manual

Wireless Audio Transceiver

BTTC-500P (Oasis Plus)

Features

Package Contents

Product Overview & Controls

LED Indicators

Power up Oasis Plus

Use as a Wireless Transmitter (TX mode)

Use as a Wireless Receiver (RX mode)

Using the Bypass Mode (Non-Bluetooth) ··

Pair and Connect to two Devices Simultaneously (Dual-link)

How to use two Oasis Pluses as a pair

Restore to Factory Default Settings

How does the LL/HD Priority feature work?

Product Specifications

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Troubleshoot

ing

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Features

The Avantree Oasis Plus is a long range Bluetooth transmitter or receiver. Class 1 Bluetooth technology and an
optimized antenna design allow it to work at ranges of up to 164ft/50M. Use the Oasis Plus as your home
entertainment audio hub! As a Bluetooth transmitter to Bluetooth-enable your TV or AV receiver, to stream
audio to your Bluetooth headphones or speakers. As a Bluetooth receiver to Bluetooth-enable your traditional
non-wireless music system. It supports both wireless (Bluetooth) and wired (bypass) modes simultaneously.
Watch TV and independently control volume for a pair of Bluetooth headphones and a wired/connected
speaker at the same time. It supports the aptX-HD standard - when used with aptX-HD Bluetooth headphones,
for wireless streaming of high denition, natural sounding audio.

Package Contents

• Avantree Oasis Plus (BTTC-500P)

• Micro USB cable

• Optical cable

• 3.5mm audio cable

• 3.5mm female to RCA male cable

• User manual

TX

RX OPT

AUX

SBC A

APTX

LL

B

HD

TX

OFF

Bypass

RX

Product Overview & Controls

Status indicators

LL/HD priority

Switch

Bluetooth

button

Voice prompt

on/off button

AUX

Volume/Track/

Reset button

TX

RX OPT

/

Oasis Plus

(BTTC-500P)

AUX

SBC A

APTX

LL

HD

B

Micro USB

cable

Antenna

Voice prompt

Speaker

TX

OFF

Bypass

RX

Mode Switch

Optical

cable

3.5mm audio
cable

3.5mm female to
RCA male cable

1

Function & Operation:

FUNCTION OPERATION

Work as transmitter

Work as receiver

Slide to TX position

Slide to RX position

RX

RX

OFF

TX
Bypass

OFF

TX
Bypass

Bypass (cable connection) or
Bluetooth function Bypass work
simultaneously

Low latency priority (watching
TV/movies)

HD priority (stream music with
optimum audio quality)

Enter pairing mode

Voice prompt on/o

Play / pause

Volume Up / Down

OFF

Slide to OFF or TX mode

Slide

RX

LL Priority HD Priority

Achieve no audio delay using with aptX LL support devices

LL Priority HD Priority

Slide

av

TX
Bypass

to LL priority to prioritize low latency codec.

1)

to HD priority to prioritize aptX HD codec.
Achieve HD audio quality when using with aptX HD supported
devices

2)

Hold for 2 seconds

Hold for 7 seconds to turn on/off voice prompt

Short press once (RX mode only)

Short press / once

Previous / Next track Hold / for 3 seconds (RX mode only)

Clear pairing history Hold both and for 7S

1- aptX-LL supported devices: Avantree Audition Pro，Torpedo Plus, Plantronics Backbeat Pro etc.
2- aptX-HD supported devices: Avantree AH6, Audio-Technica ATH-DSR9BT, LG G5, etc.

For full list of suppprted devices please visit www.aptx.com

- More status indicator, please refer to support.avantree.com search ‘Oasis Plus LED status’

2

LED Indicators

INDICATOR STATUS

In transmitting mode

TX

Flashes alternating

In receiving mode

RX

Flashes alternating GREEN and WHITE to

GREEN

and WHITE to indicate Oasis Plus in pairing mode

indicate

Oasis Plus pairing mode

AUX

OPT

SBC

AUX input selected (when 3.5mm audio cable plugged in)

Optical input selected

(3.5mm audio input jack should be free)

Oasis Plus is using the SBC codec

APTX Oasis Plus is using the aptX codec

LL

HD

A

B

Oasis Plus is using the aptX-low latency or Fast Stream codec

Oasis Plus is using the aptX-HD codec

Oasis Plus is using device A

Oasis Plus is using device B

Power up Oasis Plus

Power up the transmitter with the USB cable provided. Connect it to a TV USB port (TV needs to be turned on)
or any other USB charger that supports 5V/500mA-2A.

Oasis Plus

RX Output TX Input

AUX AUX

OPTICAL OPTICAL

DC IN

Micro USB power cable

3

Use as a Wireless Transmitter (TX mode)

1. Pair and connect

1) Slide Mode switch to the "TX" position.

2) Slide LL/HD switch to “LL” or “HD priority” position，refer to “function & operation” table.

3) Pair the Oasis Plus with your Bluetooth audio device

• Hold button for 2s – “TX” LED will alternately ash GREEN and WHITE quickly.

Hold for 2s

• Set your headsets/speakers to pairing mode (please refer to your user manual).

• Keep them close together and wait. Once connected, the “TX” LED will stop ashing and A will light up. You
will hear voice prompt“ Connected. Ready for use.”

TX A

RX

AUX

OPT

SBC

APTX

LL

HD

B

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2. Set up your TV

1) Check your TVs output options before the set up

Optical

OUT

Jack

Options

Natively

Supported?

Please refer

to Point:

3.1 3.2 3.4 N/A3.3

2) TVs with OPTICAL audio out

Oasis Plus

AUX/3.5mm

RCA jacks

labeled

"AUDIO OUT"

LR

Output options

Big Phone

Jack

Other RCA

jacks (usually

audio IN)

Micro USB power cable

RX Output TX Input

AUX AUX

OPTICAL OPTICAL

DC IN

Optical audio cable

Now you should be able to use the headphone. IF there’s no sound:

a. Ensure 3.5mm audio input jack should be free.
b. Ensure your TV speaker is set to “External Speaker”
c. Ensure TV Audio Format is set to “PCM” or “DOLBY/DTS” is o (This is IMPORTANT)

Set TV Speakers to "External Speaker" Set TV Audio Format to "PCM"(IMPORTANT)

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3) TVs with AUX 3.5mm audio out

Set up Oasis Plus using AUX/3.5mm audio out

Fig 3-5 Set TV speaker to “Headset"

Now, you should be able to use the headphone. If no sound, please ensure your TV speaker is set to “Headset”

4) TVs with RCA Audio Out (Red/White ports labeled "AUDIO OUT ")

Set up Oasis Plus using RCA audio out

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Now you should be able to use the headphones. If no sound:

a. Make sure you’ve used the TV Red/White ports labeled “AUDIO OUT.” Other Red/White ports will NOT work.
b. Ensure your TV speaker is set to “External Speaker”

Use the correct RCA ports

3. Use wth AV Receiver with 6.35mm PHONE jack

Set up Oasis Plus using 6.35mm phone jack

Set TV speaker t o” External Speaker”

NOTES:

Please do NOT use the RCA ports on the back of your AV receiver. They will not work and may perma­nently damage the transmitter.

• ONLY use the BIG 6.35MM PHONE OUT located in the FRONT of your AV Receiver with the 6.35mm to

3.5mm adapter (not included).

• Do NOT set the volume too high.

• You may test the port with wired headphones before using.

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Use as a Wireless Receiver (RX mode)

1) Slide the TX/RX switch to the "RX" position.

2) Slide the LL/HD switch to “LL” or “HD” priority position; refer to the “Function & Operation” table.

3) Pair the Oasis Plus with your Bluetooth-enabled phone/pc/tablet.

• The Oasis Plus should enter pairing mode automatically with “RX” alternately ashing GREEN and WHITE.

To manually enter pairing mode - hold button for 2s.

4:30

Settings Bluetooth

Bluetooth

Hold for 2s

AirDrop, AirPlay, and location services require Bluetooth.

• Activate Bluetooth on your phone/device and search for “Avantree Oasis Plus“ - tap to connect.

4:30

Settings Bluetooth

Bluetooth

Now discoverable as “iPhone(2)”

MY DEVICES

Bose Bluetooth Audio...

OTHER DEVICES

Avantree Oasis Plus

To pair an Apple Watch with your iPhone, go to the Watch

app.

Not Connected

4G

4G

• Keep devices close together and wait. Once connected, “RX” will stop ashing and LED A will light up. And

you will hear” Connected. Ready for use.”

TX A

RX

AUX

OPT

SBC

APTX

LL

HD

4:30

Settings Bluetooth

Bluetooth

Now discoverable as “iPhone(2)”

MY DEVICES

B

Avantree Oasis Plus Connected

Bose Bluetooth Audio... Not Connected

OTHER DEVICES

OPPO R9s

huawei

To pair an Apple Watch with your iPhone, go to the Watch

app.

4G

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Using the Bypass Mode (Non-Bluetooth)

Bypass mode means a direct cable connection. It connects your TV and your external wired soundbar or
speakers directly.

Speakers

Oasis Plus

RX Output TX Input

AUX AUX

OPTICAL OPTICAL

DC IN

TV/Audio Source

It works under TX mode & OFF mode.

OFF

RX

TX
Bypass

OFF

RX

TX
Bypass

In OFF mode, only Bypass works. Then you
can hear the TV sound from your soundbar.

In TX mode, Bluetooth function and direct cable connection
work simultaneously. Then you can hear your TV sound from
both your soundbar and Bluetooth headphones.

Speakers

Bypass can only work with the same type of input/output. AUX input to AUX output or OPT input to OPT
output.

9

Pair and Connect two Devices Simultaneously (Dual-link)

In TX mode

1) Pair with the rst device by following instructions in the “Use as a Transmitter (TX mode)” section.

2) Then pair with the second device:

• Enter second headphones/speaker into pairing mode (refer to user manual).

• Enter the Oasis Plus into pairing mode again; press the button for 2 seconds - “TX” ashes alternating

GREEN and WHITE.

• Wait for devices to connect. When connected to two devices both LEDs A and B will be on.

Notes:

1) For improved compatibility and sound quality, we suggest you use Bluetooth devices with CSR chipsets,
e.g. Avantree Torpedo plus, Audition Pro, Plantronics backbeat pro, etc.

2) When in dual-link mode, the Oasis Plus doesn’t support aptX-HD.

In RX mode

1) Pair with the rst device by following instructions in the “Use as a Receiver (RX mode)” section.

2) Then pair with the second device:

• Enter the Oasis Plus into pairing mode again; press the button for 2 seconds - “RX” ashes alternating

GREEN and WHITE.

• Activate Bluetooth on your second device and search for “Avantree Oasis Plus“ - tap to connect.

• Wait for devices to connect. When connected to two devices both LEDs A and B will be on.

Note: Only one device can play music at a time. You must stop the music on one device to play on the other.

10

How to use two Oasis Plus as a pair?

You can use two Oasis Plus as a pair. First, choose one as a Transmitter (TX unit) and the other as a receiver (RX
unit).

Note: Turn o other nearby Bluetooth devices to avoid unintentionally pairing to other devices.

Speakers

TX unit RX unit

Follow the steps below to pair:

1) Set the RX unit to receiver mode - Slide the TX/RX switch to the "RX" position.

2) Set the TX unit to transmitter mode - Slide the TX/RX switch to the "TX" position.

3) Select the same priority on BOTH UNITS - Slide LL/HD switch to “LL” or “HD” priority.

4) Set BOTH UNITS to pairing mode – Hold for 2 seconds until the LEDs (“TX” on the TX unit and “RX” on
the RX unit) ash alternating GREEN and WHITE.

5) Keep devices close together and wait. Once connected, you will hear the voice prompt “Connected. Ready

for use.” from both units.

Restore to Factory Default Settings

You may need to reset Oasis Plus if it is not working as expected. Please note TX and RX pairing history are
independent. Please choose the right mode to reset.
Turn the unit on. Press and hold the and buttons together for 7 seconds until you hear voice prompt
“pairing history cleared”.

TX A

RX

AUX

OPT

SBC

APTX

LL

HD

Hold for 7s

B

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How does the LL/HD Priority feature work?

This table shows the prioritization of the dierent audio codecs used when using the LL/HD Priority feature.

Priority HD Priority (sound quality priority)

aptX HD1

2

3

4

5

(* the Bluetooth codec used also depends on the compatibility of the connected device.)

aptX Low Latency

Faststream

aptX

SBC

LL Priority (Low latency Priority)

aptX Low Latency

aptX HD

Faststream

aptX

SBC

Product Specications

• Bluetooth version: 4.2

• Supports proles: A2DP, AVRCP

• Audio codecs: aptX-HD, aptX-Low Latency, FastStream, aptX, SBC

• Operation range: Class I, up to 50 meters

• Input voltage/current: DC5.0V/500mA–2A

• Supported audio format in optical mode: PCM/LPCM (Set your TV audio to PCM/LPCM format if no sound)

• Supported sampling rate in optical mode：<=48KHz, 24bit

• Operating temperature: -10℃~45℃

• Storage temperature: -20℃~60℃

• Product size: 114×75×30mm

• Product weight: 90g

• Input impedance: 4KΩ

• Input sensitivity: 1000mV

• Output Impedance: 15KΩ

• Output sensitivity: 1000mV

Troubleshooting

You will find all FAQ for Oasis Plus from below link:­https://support.avantree.com/hc/en-us/sections/360000234803

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