User's Manual

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BHF 2000S User Manual v1.0
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2. You can volume down by using gestu re sensing. Move your hand to the left way in
front of the DEVICE.
!NOTE: For smooth gesture sensing operation, keep 3cm distance from the DEVICE
to your finger
!NOTE: In FM mode, volume adjustment only controlled by your vehicle’s stereo.
4.5 Mute on/off
Double t ap the Mod e butt on to mute y our mi crophone an d ag ain to turn mute of f. The
mute beep tone will be heard every 5 seconds.