4. OPERATING CONTROLS
VOLUME ADJUSTMENT
Shor press on Vol+ or Vol- butons.
PLAYPAUSE
Shor press the power/play/pause buton buton to
pause audio. Press again to resume audio.
ANSWEREND CALL
Shor press the power/play/pause buton to answer
an incoming call or end a phone call.
REJECT CALL
Press the power/play/pause buton for 2 seconds to
reject a call.
TRANSFER CALL
Afer accepting a phone call, press the power/play/
pause buton for 2 seconds, and your call will transfer
to your smarphone. Press the power/play/pause
buton for 2 seconds again, and your call will be
transferred to your Harmonic 3.0 Headphones.
RESTORE FACTORY SETTINGS
Connect your Harmonic 3.0 to a computer via the
USB-A to USB-C cable, press Vol + buton and Vol
- together for 5 seconds. Once complete, your LED
indicator light will flash blue 6 times.
ACTIVE NOISE CANCELLATION FUNCTION ANC
ANC function can be enabled to reduce outside noise
and provide enhanced sound quality. To activate ANC,
switch the ANC buton to “ON”. Your LED indicator
light will turn green once ANC is engaged.
4. OPERATING CONTROLS
CONNECTING MULTIPLE HARMONIC
3.0 VIA DUOLINKTM
Using the DuoLink feature you can connect
muliple Harmonic 3.0 Headphones. One set
will be your ‘primary’ headphones and another
will be your ‘replica’.
TO CONNECT
• Shor press the DuoLink buton on your
primary device once. The primary will announce
“DuoLink enabled”
• Shor press the DuoLink buton on your
replica device once. The replica will announce
“DuoLink enabled”
• Press the DuoLink buton once more on the
replica to connect both devices
• Once connected, the replica will announce that it
is using “DuoLink Audio”. The primary device will
show a solid blue light while the replica will show
a flashing red and blue light
TO DISCONNECT OR RESET
• Press DuoLink buton again to disable DuoLink*
• Press and hold the DuoLink buton for five
seconds to reset the DuoLink function**
*If DuoLink is disabled, Harmonic 3.0 will disconnect from the
replicas, but will still remember them.
**Reseting DuoLink will make your Harmonic 3.0 ‘forget’ all
replica devices.
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