HD Audio PCI-e
V2.0
49
Volume
control
Page
Function
Introduction
This
function
page
provides
a
volume
control
for
Headphone
device.
1.
Volume
control
bar:
Headphone
‐
It
can
adjust
volume
level
for
Headphone
device
.
2.
Left/
Right
Channel
Lock
:
Clicking
on
the
lock/
un
‐
lock
button,
it
can
lock
left
‐
channel
and
right
‐
channel
to
sync
L/R
channel.
3.
Mute
/
Un
‐
mute:
Clicking
on
the
mute/
un
‐
mute
button,
it
can
mute
all
channels.
4.
dB
Input
Area
:
You
can
directly
fill
‐
in
a
dB
value
into
this
text
box
to
set
the
volume
level
..
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