User's Manual
2
Functions
Speaker Volume -/+
Wireless Dongle
Mute
Answer/hang up
/
Press the button to adjust the speaker volume by level.
Press and hold the button to adjust the speaker volume continuously.
Press to answer/hang up a call.
Long preess the button to reject a call.
Press to turn on/off pickup function. White light: Speakerphone picking up sounds. Red light: Speakerphone off.
When the speakerphone is picking up sounds, hold the button for 5 s, the white light will flash twice, and the
steady and transient smart noise reduction will be turned on. Hold the button for another 5 s, the funtion will
be turned off.
*It is recommended to turn off the steady and transient smart noise reduction when the speakerphone is
picking up sounds from a long distance.










