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2. To proceed the triple phone conversation while you are
answering the interrupting call (Call 2), press the louder (+)
volume button for 2~3 seconds until you hear the Du
sound, the maintained Call 1 will be renewed, then three
ends can talk together on line.
3. To end the triple phone conversation, press the function
button, then Call 1 and Call 2 will be hanged up together.
Note:
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To activate this function, you must make sure the assigned
telecommunication agent supports this service.
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To activate this function, please refer to the instructions of
your mobile phones to make sure your phone program
supports this function.
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When the triple phone conversation is on board, it can not
return to the mode of having only Call 1 or Call 2.
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When the triple phone conversation has not been activated,
you can press the lower (-) volume button for 2~3 seconds
to easily transfer the calls between Call 1 and Call 2.
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If Call 1 is maintained and Call 2 is on line, quick press the
function button to end Call 2 and renew Call 1.
18. Adjusting the Volume
During a call, you may adjust the Headset hearing volume.
1. To increase the volume, press the louder (+) volume button.
2. To decrease the volume, press the lower (-) volume button.
Note:
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You will hear the Du Du sound while adjusting the volume
up to the loudest or lowest.