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.\"	Mike Pritchard <mpp@FreeBSD.ORG>.  All rights reserved.
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.Dd January 9, 1997
.Dt MIXER 8
.Os
.Sh NAME
.Nm mixer
.Nd set/display soundcard mixer values
.Sh SYNOPSIS
.Nm
.Nm mixer
.Ar setting
.Op Ar lvalue:rvalue
.Nm mixer
.Ar +rec | -rec
.Op Ar device
.Sh DESCRIPTION
The
.Nm
command is used to set and display soundcard mixer settings. It may also be
used to start and stop recording from the soundcard.  The list of mixer
settings that may
be modified are:  
.Pp
vol, bass, treble, synth, pcm, speaker, mic, cd, mix, 
pcm2, rec, igain, ogain, line1, line2, and line3.
.Pp
Not all mixer settings are available on all soundcards.
.Pp
When
.Nm
is run without any arguments, all settings that are supported by the
soundcard will be displayed.
If the
.Ar setting
argument is specified, then only the value for
the
.Ar setting
mixer will be displayed.
.Pp
To modify the mixer value
.Ar setting ,
the optional left and right channel settings of
.Ar lvalue:rvalue
may be specified.  The
.Ar lvalue
and 
.Ar rvalue
arguments may be from 0 - 100.
.Pp
To start recording, use the
.Ar +rec
argument.  To stop recording, use the
.Ar -rec 
argument.  The optional argument
.Ar device
may be specified to use a different
mixer device.  The default device is
.Pa /dev/mixer .
.Sh FILES
.Bl -tag -width /dev/mixer -compact
.It Pa /dev/mixer
The default mixer device.
.Sh SEE ALSO
.Xr cdcontrol 1 ,
.Xr cdplay 1
.Sh HISTORY
The
.Nm
command first appeared in
.Fx 2.0.5 .
.Sh AUTHORS
Craig Metz and Hannu Savolainen.
This
manual page was written by Mike Pritchard
.Aq mpp@FreeBSD.ORG .