Huey Chiao HCB29A - Manual (Page 12)

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crease (+) volume key at the same time until you hear the
“Du” sound, then the other end will not hear you.
2. Under the mute mode, you will hear the intermittent “Du”
sound.
3. Press either the increase (+) or decrease (-) volume button to
end the mute function.
14. Transferring calls
. 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
. 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