Huey Chiao HCB10 - Manual (Page 12)

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3. Press either the increase (+) or decrease (-) volume button to
end the mute function.
14. Transferring calls
1. When you are answering the call with the Headset, press the
increase (+) volume key for 2~3 seconds until you hear one
“Du” sound, then the call will be transferred to your mobile
phone.
2. When you are answering the call with the mobile phone, press
the function button of the mobile phone to transfer the call to
your Headset. For some mobile phones, the phone LCD will
show the transferring sign, some will not.
Note:
● To activate this function, your mobile phone must support the
Handsfree mode. For more details, please check the manual of
your mobile phone.
15. Maintaining calls
1. When you are answering the call with the Headset, press the
decrease (-) volume key for 2~3 seconds until you hear one
“Du” sound, then the call will be maintained. If there is an
interrupting call coming, the Headset will answer it automati-
cally.
2. Press the decrease (-) volume key for 2~3 seconds until you
hear one “Du” sound to end the maintaining call function.