User's Manual

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¾ Call record: enter the list of call history.
¾ Start/Stop to record: record the content of communication and then
select [Menu → Stop to record] to stop the recording. At this point the
phone recording will be saved in the [Tools → Recorder → Option →
Record file list] automatically.
Attention：
Recording of the call is illegal in some countries. Therefore, when
you are recording about the call, you should seek the consent of the
other party at first.
¾ Turn on/off mute:: turn off the microphone temporarily during a call. If you
open this function, you can hear each other's voice, but the other party
can not hear your voice. Select [Unmute] can resume the call.
3.4 Adjust the volume
During a call, you can use the arrow keys "up / down key" or "Left / Right"
to adjust the volume.
3.5 End a call
When you need end the call, press the Hung_Up key to end the call.