Call/Power Button.
●
The calling will be transferred to HFB-300 without ending a call.
HFB-300 =>Handset
Transferring Audio from HFB-300 to handset should be operated in handset, and the
way to make it may be different from handset by handset.
●
Refer to the manual of user's handset to use this function.
Using Earphone
1. Open the Earphone Jack cover.
●
Be careful to use sharp materials or the nail and other parts of user's body to open the
cover.
●
It's possible that using above methods may harm the surface of HFB-300 and hurt a part
of user's body.
2. Put in the jack of the supplied earphone to the Earphone Jack of HFB-300.
●
You can make conversation with the earphone automatically without any key press.
Holding key
Push the Hold Switch in the side of lock to disable all buttons Summary of Button
functions
Summary of Button Functions
Function
HFB-300 Status
How to use button
Power On
Off
Keep press Call/Power Button for more
than 2 seconds
Power Off
On
Keep press Call/Power Button for more
than 3 seconds
Speaker
-
Press Volume (+) Button
Speaker Volume -
-
Press Volume (-) Button
MIC Gain Up
-
Press Fu Volume (+)Button
simultaneously longer
MIC Gain Down
-
Press Fu Volume (-) Button
simultaneously longer
MIC Mute
Talking
Press Function Button shortly
Transferring Audio
(Handset => HFB-300)
Talking
Press Call/Power Button
Pairing Mode
On
Keep press Function Button for more
than 3 seconds
Answering a Call
Ringing
Press Call/Power Button
Ending a Call
Talking
Press Call/Power Button
Last Number Calling
Ready
Press Call/Power Button shortly
(with beep sound once)
Voice Dialing
(When handset
Ready
Keep press Call/Power Button little bit
longer
