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The function menu on the left side in video calls is basically same as the function menu
in an audio call. Please refer to the description of function buttons in the audio call in
section 5.1.3.1.
The function menu above only relates to video calls, which are explained in detail here.
Function Buttons
Function Description
Dual screen display
When it
’
s displaying both the main stream and
the sub stream, click
to output the sub
stream through HDMI to a TV or other device,
while the device only displays the main stream
video. Click this icon again to cancel.
Send sub stream
The device obtains the sub stream through
accessories. Click
to send the auxiliary
stream to the opposite device.
