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Button to toggle between calls. Press the
Button to end the call on hold.
• To adjust the volume, press the VOL + / –
Button. Press and hold the VOL – Button to
mute the microphone of the unit. You will
hear a long beep. To resume the call, press
and hold the VOL + Button. You will hear a
long beep.
• Press the
Button to reject a second
incoming call.
• This function works only if the mobile
phone is connected to the unit via Bluetooth
connection.
• Your Bluetooth mobile phone is required
to support HFP (Hands Free Profile) or HSP
(Headset Profile) beyond A2DP and AVRCP.
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