3.2 About Speakerphone
Key Description
：
Presets button
Those keys represent the camera
preset positions 1,2 and 3
respectively
Zoom in/out
The camera zooms in/out
Volume button
Press the volume down/up button
Bluetooth button
Turn on/off bluetooth
End call
Press the end call
Answer call
Press the answer call
Mute microphone
Turn on/off microphone mute
Echo cancellation
Press the answer call, end call and
volume up button at the same time
to enter/exit the echo cancellation
mode. When the echo cancellation
mode is entered, the status light
blue flashes three times . When the
echo cancellation mode is exited,
the blue light flashes twice
+
Camera pan / tilt
Control the direction of the
camera
:
left, right, up, down.
4
3
C
1
2
+
