ATEN VP1420, Руководство пользователя

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Chapter 4. Remote Operation
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Audio Input (VP1421)

VGA In 1: Sets the volume of the VGA source.

HDBaseT In 2: Sets the volume of the HDBaseT source.

Source: Sets the audio source for the HDBaseT source. To use the
audio source that comes along with the video, select Digital Audio . To
use the audio source from the independent audio source (connected to
the Audio In port), select
Embedded Audio In .

HDMI In 3 / HDMI In 4: Sets the volume of the HDMI 3 / HDMI 4 source.

Source: Sets the audio source for the HDMI 3 / HDMI 4 source. To use
the audio source that comes along with the video, select Digital Audio .
To use the audio source from the independent audio source (connected
to the Audio In port), select
Embedded Audio In .

Audio In: Sets the volume of the independent audio source connected to
the Audio In port.

Mic volume: Sets the volume of the microphone connected to the MIC
port.

Gain: Sets the volume of the microphone connected to the MIC port.
Apply vs. Auto Apply
To automatically apply the changes you make on the Audio Control page, select
Auto apply at the bottom of the page.