1.\" Copyright (c) 1997 2.\" Mike Pritchard <mpp@FreeBSD.ORG>. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the author nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY MIKE PRITCHARD AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd January 9, 1997 31.Dt MIXER 8 32.Os 33.Sh NAME 34.Nm mixer 35.Nd set/display soundcard mixer values 36.Sh SYNOPSIS 37.Nm 38.Op Fl f Ar device 39.Oo 40.Oo Ns 41.Ar dev Op Ar lvol Ns Op Ar :rvol 42.Li | recsrc | 43.Ar {^|+|-|=}rec rdev 44.Oc 45.Ar ... \& 46.Oc 47.Sh DESCRIPTION 48The 49.Nm 50command is used to set and display soundcard mixer device levels. It may 51also be used to start and stop recording from the soundcard. The list 52of mixer devices that may be modified are: 53.Pp 54.Bd -ragged -offset indent 55vol, bass, treble, synth, pcm, speaker, mic, cd, mix, 56pcm2, rec, igain, ogain, line1, line2, and line3. 57.Ed 58.Pp 59Not all mixer devices are available. 60.Pp 61When 62.Nm 63is run without any arguments, all supported devices are displayed 64along with current values. 65If the 66.Ar dev 67argument is specified, the value for the 68.Ar dev 69device will be displayed. 70.Pp 71To modify the mixer value 72.Ar dev , 73the optional left and right channel settings of 74.Ar lvol Ns Op Ar :rvol 75may be specified. The 76.Ar lvol 77and 78.Ar rvol 79arguments may be from 0 - 100. 80.Pp 81To change the recording device you use one of: 82.Bl -tag -width =rec -offset indent 83.It ^rec 84toggles 85.Ar rdev 86of possible recording devices 87.It +rec 88adds 89.Ar rdev 90to possible recording devices 91.It -rec 92removes 93.Ar rdev 94from possible recording devices 95.It =rec 96sets the recording device to 97.Ar rdev 98.El 99.Pp 100The above commands work on an internal mask. After all the options 101have been parsed, it will set then read the mask from the sound card. 102This will let you see EXACTLY what the soundcard is using for the 103recording device(s). 104.Pp 105The option recsrc will display the current recording devices. 106.Pp 107The option 108.Fl f 109.Ar device 110will open 111.Ar device 112as the mixer device. 113This will ONLY work if the 114.Fl f 115option is immediately after the 116.Nm 117command. 118.Sh FILES 119.Bl -tag -width /dev/mixer -compact 120.It Pa /dev/mixer 121the default mixer device 122.El 123.Sh SEE ALSO 124.Xr cdcontrol 1 , 125.Xr cdplay 1 126.Sh HISTORY 127The 128.Nm 129command first appeared in 130.Fx 2.0.5 . 131.Sh AUTHORS 132Original source by 133.An Craig Metz Aq cmetz@thor.tjhsst.edu 134and 135.An Hannu Savolainen . 136Mostly rewritten by 137.An John-Mark Gurney Aq jmg@FreeBSD.org . 138This 139manual page was written by 140.An Mike Pritchard Aq mpp@FreeBSD.org . 141