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. 51It may 52also be used to start and stop recording from the soundcard. The list 53of mixer devices that may be modified are: 54.Pp 55.Bd -ragged -offset indent 56vol, bass, treble, synth, pcm, speaker, mic, cd, mix, 57pcm2, rec, igain, ogain, line1, line2, and line3. 58.Ed 59.Pp 60Not all mixer devices are available. 61.Pp 62When 63.Nm 64is run without any arguments, all supported devices are displayed 65along with current values. 66If the 67.Ar dev 68argument is specified, the value for the 69.Ar dev 70device will be displayed. 71.Pp 72To modify the mixer value 73.Ar dev , 74the optional left and right channel settings of 75.Ar lvol Ns Op Ar :rvol 76may be specified. The 77.Ar lvol 78and 79.Ar rvol 80arguments may be from 0 - 100. 81.Pp 82To change the recording device you use one of: 83.Bl -tag -width =rec -offset indent 84.It ^rec 85toggles 86.Ar rdev 87of possible recording devices 88.It +rec 89adds 90.Ar rdev 91to possible recording devices 92.It -rec 93removes 94.Ar rdev 95from possible recording devices 96.It =rec 97sets the recording device to 98.Ar rdev 99.El 100.Pp 101The above commands work on an internal mask. After all the options 102have been parsed, it will set then read the mask from the sound card. 103This will let you see EXACTLY what the soundcard is using for the 104recording device(s). 105.Pp 106The option recsrc will display the current recording devices. 107.Pp 108The option 109.Fl f 110.Ar device 111will open 112.Ar device 113as the mixer device. 114This will ONLY work if the 115.Fl f 116option is immediately after the 117.Nm 118command. 119.Sh FILES 120.Bl -tag -width /dev/mixer -compact 121.It Pa /dev/mixer 122the default mixer device 123.El 124.Sh SEE ALSO 125.Xr cdcontrol 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