1.\" $OpenBSD: radioctl.1,v 1.16 2015/09/12 16:35:19 schwarze Exp $ 2.\" 3.\" Copyright (c) 2001 Vladimir Popov 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 21.\" USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 22.\" ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" 26.Dd $Mdocdate: September 12 2015 $ 27.Dt RADIOCTL 1 28.Os 29.Sh NAME 30.Nm radioctl 31.Nd control radio tuners 32.Sh SYNOPSIS 33.Nm radioctl 34.Op Fl anv 35.Op Fl f Ar file 36.Nm radioctl 37.Op Fl nv 38.Op Fl f Ar file 39.Ar name 40.Nm radioctl 41.Op Fl n 42.Op Fl f Ar file 43.Ar name Ns = Ns Ar value 44.Sh DESCRIPTION 45The 46.Nm 47command displays or sets various variables that affect the radio tuner 48behavior. 49If a variable is present on the command line, 50.Nm 51prints the current value of this variable for the specified device. 52By default, 53.Nm 54operates on the 55.Pa /dev/radio 56device. 57.Pp 58The options are as follows: 59.Bl -tag -width Ds 60.It Fl a 61Print all device variables and their current values. 62This is the default, if no parameters are given to 63.Nm . 64.It Fl f Ar file 65Specify an alternative radio tuner device. 66.It Fl n 67Suppress printing of the variable name. 68.It Fl v 69Show the possible values of queries. 70.It Ar name Ns = Ns Ar value 71Attempt to set the specified variable 72.Ar name 73to 74.Ar value . 75.El 76.Pp 77Values may be specified in either absolute or relative forms. 78The relative form is indicated by a prefix of 79.Ql + 80or 81.Ql - 82to denote an increase or decrease, respectively. 83.Pp 84The exact set of controls that can be manipulated depends on 85the tuner. 86The general format (in both getting and setting a value) is: 87.Bd -filled -offset indent 88.Ar name Ns = Ns Ar value 89.Ed 90.Pp 91The 92.Ar name 93indicates what part of the tuner the control affects. 94.Pp 95Write only controls: 96.Bl -tag -width Ds 97.It Ar search 98Only for cards that allow hardware search. 99Can be 100.Ql up 101or 102.Ql down . 103.El 104.Pp 105Read-write controls: 106.Bl -tag -width Ds 107.It Ar channel 108Specifies the TV channel. 109Integer value from 0 to 150. 110Using the 111.Ar channel 112control puts the tuner in 113.Dq TV 114mode. 115.It Ar chnlset 116Specifies the TV channel set. 117The tuner uses the current channel set to derive a frequency from the 118.Ar channel . 119The following is a list of valid channel sets: 120.Pp 121.Bl -tag -width "australiaXX" -offset indent -compact 122.It nabcst 123U.S.A. Broadcast 124.It cableirc 125U.S.A. Cable IRC 126.It cablehrc 127U.S.A. Cable HRC 128.It weurope 129Western Europe 130.It jpnbcst 131Japan Broadcast 132.It jpncable 133Japan Cable 134.It xussr 135Former U.S.S.R. and C.I.S. countries 136.It australia 137Australia 138.It france 139France 140.El 141.It Ar frequency 142Specifies the FM frequency in MHz. 143Float value from 87.5 to 108.0. 144Using the 145.Ar frequency 146control puts the tuner in 147.Dq radio 148mode. 149.It Ar volume 150Integer value from 0 to 255. 151.It Ar mute 152Mutes the card (volume is not affected), 153.Ql on 154or 155.Ql off . 156.It Ar mono 157Forces card output to mono, 158.Ql on 159or 160.Ql off . 161Only for cards that allow forced mono. 162.It Ar reference 163Reference frequency. 164Can be 25 kHz, 50 kHz and 100 kHz. 165Not all cards allow the reference frequency to be changed. 166.It Ar sensitivity 167Station locking sensitivity. 168Can be 5 mkV, 10 mkV, 30 mkV and 150 mkV. 169Not all cards allow the station locking sensitivity to be changed. 170.El 171.Pp 172All the remaining controls (mode, signal, stereo and card capabilities) 173are read-only and can be viewed using option 174.Fl a . 175.Sh ENVIRONMENT 176The following environment variable affects the execution of 177.Nm radioctl : 178.Bl -tag -width RADIODEVICE 179.It Ev RADIODEVICE 180The radio tuner device to use. 181.El 182.Sh FILES 183.Bl -tag -width /dev/radio 184.It Pa /dev/radio 185radio tuner device 186.El 187.Sh EXAMPLES 188Print all device variables, 189along with their current values: 190.Bd -literal -offset indent 191$ radioctl -a 192volume=255 193channel=0 194chnlset=weurope 195frequency=106.30MHz 196mute=off 197reference=50kHz 198signal=on 199stereo=on 200mode: radio 201card capabilities: 202 manageable mono/stereo 203.Ed 204.Sh SEE ALSO 205.Xr radio 4 206.Sh HISTORY 207.Nm 208command first appeared in 209.Ox 3.0 . 210