Huey Chiao HCB20 Bluetooth Headset User Manual


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communications agent supports this service.
●Toactivatethisfunction,pleaserefertotheinstructionsofyour
mobile phones manual to make sure your phone program sup-
ports this function.
●Whenthetriplephoneconversationisonboard,itcannotreturn
to the mode of having only Call 1 or Call 2.
●Whenthetriplephoneconversationhasnotbeenactivated,you
can press the decrease (-) volume key for 2~3 seconds to easily
transfer the calls between Call 1 and Call 2.
●IfCall1ismaintainedandCall2isonline,quicklypressthe
function button to end Call 2 and renew Call 1.
18. Adjusting the Volume
During a call, you may adjust the Headset’s volume.
1. To increase the volume, press the increase (+) volume key.
2. To decrease the volume, press the decrease (-) volume key.
Note:
●Youwillhearthe“DuDu”soundwhileadjustingthevolumeup
to the loudest or lowest.
19. Safety instruction
1. Read the Headset manual carefully and use the headset cor-
rectly by following the instructions.
2. Keep the Headset away from children, avoid children from
swallowing it accidentally.
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