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Use with a PC / Mac / PS4
1. Plug the USB dongle into your PC/Mac /PS4.
2. Turn ON the headphones.
3. Keep devices close and wait for 2-5 seconds as they automatically connect. Once connected, the USB dongle LED will turn solid
Now they're ready for use.
4. Select "Avantree device" as the Output and Input device in the respective system settings and application settings for use with VoIP services.
Settings
a. Windows system: Right click the
b. Mac system: Open the System Preferences, then click the Sound icon
c. VoIP services on PC: Go to the Settings of the VoIP service and make sure that the "Speaker / Sound Output" and "Microphone / Sound Input" are set as "Avantree device".
d. PS4 (Ensure the PS4 system is updated to the latest version): Go to Settings
5. Now, you can stream music, make a VoIP Call, or play games.
Notes:
• For best results when making calls, we recommend using the boom mic
• Using the mute toggle switch on the boom mic is convenient - but please note, since it is a hardware switch, your VoIP mic status icon may not display the status changes correctly
• If the headphones and dongle cannot connect /reconnect within the recommended range (30 meters/100 feet, line-of-sight), please refer to FAQ 1 below or contact us at
support@avantree.com
directly!
Connect headphones to a 2nd device - Smartphone / Tablet
1. Enter the headphone into its pairing mode - slide to "PAIR"
2. Turn on the Bluetooth function of your smartphone/tablet. Search and select the "Avantree AS90T" to connect.
Toggle audio / calls between PC and 2nd device
Pause or end the audio / call on the current device (either by pressing the corresponding button on the headphones or directly from the active device). Then play audio or make a call on
the 2nd device - the audio will automatically switch to this device.
Note:
• To avoid audio interruptions from your mobile messaging apps when using your headphones with your PC, we suggest placing your smartphone in silent mode.
• For safety, your smartphone connection will always take priority over VoIP in dual-link mode. (Note that VoIP services in general are not recommended for emergency calls).
• VoIP calls on the PC may be interrupted by any incoming phone calls even if your smartphone is on silent mode. You can:
- Decline the incoming call: reject it manually from your smartphone
- Answer the incoming phone call: press once on the headphones to accept the call.
Reconnect
The Dongle – once it's disconnected from the headphones, by default the dongle will always try to reconnect as long as it is on.
The Headphones –
1. Reconnect to the dongle: Normally, once the dongle and headphone are powered ON and within the recommended range (30 meters / 100 feet, line-of-sight) they should
auto-connect within 10s. If this is not the case, please refer to FAQ 1.
2. Reconnect to smartphone or tablet: Select the "Avantree AS90T" in your phone or tablet's Bluetooth device list to reconnect.
Active Noise Cancellation (ANC)
After turning headphones ON, slide the ANC switch to "ANC" to activate this function. The ANC LED light will turn GREEN. Slide the ANC switch to the opposite side to deactivate ANC
- the ANC LED will turn o .
Note:
• You will NOT be able to use the ANC function when the headphones' battery is too low.
• If you want to use the ANC function in wired mode, please turn ON the headphones rst.
Sidetone Feature
Enabling sidetone allows you to hear your own voice, providing for a more natural sounding experience when conversing.
Enable / Disable Sidetone - During a call, press & hold
Stereo to Mono Feature
The Stereo to Mono feature is designed speci cally for people who have acute hearing loss in one ear. When enabled, both right and left channels will be mixed together in each speaker.
Enable / Disable Stereo to Mono Mixer - While headphones are in use, press & hold both the
"Stereo mode").
Use as a wired headphone
The supplied audio cable has a built-in microphone - use it to connect to a non-Bluetooth audio device, or if the headphone battery is running low.
Note: The detachable boom microphone and the buttons of the headphones DO NOT work in wired mode.
Charging
When the LED ashes
RED
once every 60 seconds, please recharge your headphones.
Please place the headphones onto the charging dock or plug it into a USB wall charger (DC 5V/0.5-2A) using theincluded USB Type C cable.
Normally it will take about 2 hours to fully charge. Place the headphones onto the charging dock, the LED indicator on the stand will stay solid WHITE while charging and turn
charging is complete. While charging, the headphones' LED will turn
To assemble the hanger onto the base – please match the arrow on the hanger support with the UNLOCK positionon the base. Insert and twist clockwise until it clicks into position.
Note: To avoid damage to headphones, please DO NOT charge the headphones using both the desktop charging stand and the USB Type C cable at the same time.
FAQ
1. I've tried everything, but the HT8090T set still can't connect/reconnect, what should I do?
Please factory reset both the AS90T and DG80, then reconnect and lock the connection.
Step1: Factory reset the DG80:
① Power up the DG80 and enter it into Pairing Mode - hold the MFB for 2s until the LED ashes
② In its Pairing Mode, press MFB twice to reset the DG80; the LED will light up
(LED ashes
BLUE
rapidly)
Step2: Factory reset the AS90T:
① Turn on the Headphones
② Press and hold the
and
(LED ashes
RED
&
BLUE
alternately). Please keep both devices close - once connected, the DG80 LED will remain solid
Step3: Lock the DG80 and AS90T connection:After the two devices are successfully connected, please press the DG80 MFB twice - its LED will ash
that the devices are locked.
2. Nobody can hear me. Why isn't the microphone picking up any sound?
① Check the boom mic - unplug it & plug it in again. Ensure it is rmly seated in the audio jack. Try toggling the mute / unmutes witch to make sure it's not muted by accident.
② Check the Input settings on your Computer and the Settings Menu of your VoIP app. Make sure you select "Avantree Device" as the input source.
If none of the above solutions work, please feel free to contact
in the bottom right-hand corner of the taskbar
and hold for 3s until the LED blinks
OFF
PAIR
ON
for 3 seconds.
RED
and will turn o once charging is complete.
simultaneously for about 5 seconds until the LED turns PINK, indicating a successful factory reset. It will then automatically enter into pairing mode
support@avantree.com
User Guide
Click "Open Sound Settings"
Devices
Audio Devices
RED
&
BLUE
and
buttons simultaneously until you hear a voice prompt ("Mono mode"/
BLUE
rapidly
BLUE
for 5 seconds, indicating a successful factory reset. It will then automatically enter into pairing mode
for troubleshooting. We will get back to you within 1 working day.
BLUE
and the headphones' LED will turn solid
alternately.
BLUE
and the AS90T LED will remain solid BLUE.
BLUE
5 times quickly, indicating
BLUE.
GREEN
when
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