Vivotek 9189 Series User Manual page 241

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NAME
volume_external
mute
gain
<Not recommended
to use this>
boostmic
<Not recommended
to use this>
VALUE
0~100
0, 1
0~100
0~100
SECURITY DESCRIPTION
(get/set)
* Only available when the channel
supports internal microphone (The
related bit of
"capability_audio_intmic" is equal to
1).
4/4 Volume when take external
microphone as input source.
0: Minimum
100: Maximum
* Only available when the channel
supports external microphone (The
related bit of
"capability_audio_extmic" is equal to
1).
1/4 0: Mute off
1: Mute on
4/4 Gain of input.
(audioin_c<0~(n-1)>_source = linein)
* Reserved for compatibility, and
suggest don't use this since the
version number (httpversion) is equal
or greater than 0301a.
* We replace "gain" with
"volume_internal" and
"volume_external". More details,
please refer the parameter
description of "volume_internal" and
"volume_external".
4/4 Enable microphone boost.
Gain of input.
(audioin_c<0~(n-1)>_source = micin)
* Reserved for compatibility, and
suggest don't use this since the
version number (httpversion) is equal
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User's Manual - 241