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Annotation of src/usr.bin/tunerctl/tunerctl.1, Revision 1.1

1.1     ! jakemsr     1: .\"
        !             2: .\" Copyright (c) 2005 Jacob Meuser <jakemsr@jakemsr.com>
        !             3: .\"
        !             4: .\" Permission to use, copy, modify, and distribute this software for any
        !             5: .\" purpose with or without fee is hereby granted, provided that the above
        !             6: .\" copyright notice and this permission notice appear in all copies.
        !             7: .\"
        !             8: .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !             9: .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            10: .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            11: .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            12: .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            13: .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            14: .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            15: .\"
        !            16: .\"    $OpenBSD$
        !            17: .\"
        !            18: .Dd Mar 27, 2005
        !            19: .Dt TUNERCTL 1
        !            20: .Os
        !            21: .Sh NAME
        !            22: .Nm tunerctl
        !            23: .Nd manipulate
        !            24: .Xr bktr 4
        !            25: tuner devices.
        !            26: .Sh SYNOPSIS
        !            27: .Nm
        !            28: .Op Fl nv
        !            29: .Op Fl f Ar file
        !            30: .Fl a
        !            31: .Nm
        !            32: .Op Fl nv
        !            33: .Op Fl f Ar file
        !            34: .Ar name
        !            35: .Op Ar ...
        !            36: .Nm
        !            37: .Op Fl q
        !            38: .Pf \ \& Op Fl f Ar file
        !            39: .Xo
        !            40: .Ar name Ns = Ns Ar value
        !            41: .Op Ar ...
        !            42: .Xc
        !            43: .Sh DESCRIPTION
        !            44: The
        !            45: .Nm
        !            46: command displays or sets various variables that affect the behaviour of
        !            47: .Xr bktr 4
        !            48: device tuners.
        !            49: If a list of variables is present on the command line,
        !            50: .Nm
        !            51: prints the current value of those variables for the specified device.
        !            52: By default,
        !            53: .Nm
        !            54: operates on the
        !            55: .Pa /dev/tuner0
        !            56: device.
        !            57: .Pp
        !            58: The options are as follows:
        !            59: .Bl -tag -width "name=value"
        !            60: .It Fl a
        !            61: Print all device variables and their current values.
        !            62: .It Fl f Ar file
        !            63: Specify an alternative tuner device.
        !            64: .It Fl n
        !            65: Suppress printing of the variable names.
        !            66: .It Fl q
        !            67: Suppress all printing when setting a variable.
        !            68: .It Fl v
        !            69: Show the possible values of enumeration and range valued queries.
        !            70: Enumeration values are show in
        !            71: .Dq []
        !            72: and ranges are show in
        !            73: .Dq () .
        !            74: .It Ar name Ns = Ns Ar value
        !            75: Attempt to set the specified variable
        !            76: .Ar name
        !            77: to
        !            78: .Ar value .
        !            79: .El
        !            80: .Pp
        !            81: Depending on the features of a specific tuner, the setting of some
        !            82: variables may not have any effect.
        !            83: .Pp
        !            84: Variable names explained:
        !            85: .Bl -tag -width contrast
        !            86: .It Ic chanset
        !            87: TV tuner channel set.
        !            88: .It Ic channel
        !            89: TV tuner channel.
        !            90: .It Ic freq
        !            91: Frequency in MHz.
        !            92: .It Ic afc
        !            93: Automatic Frequency Control.
        !            94: .It Ic audio
        !            95: Audio source.
        !            96: .It Ic mute
        !            97: Audio mute.
        !            98: .It Ic bright
        !            99: Video brightness.
        !           100: .It Ic contrast
        !           101: Video contrast.
        !           102: .It Ic hue
        !           103: Video hue.
        !           104: .It Ic usat
        !           105: Video
        !           106: .Ql U
        !           107: (blue) saturation.
        !           108: .It Ic vsat
        !           109: Video
        !           110: .Ql V
        !           111: (red) saturation.
        !           112: .El
        !           113: .Sh FILES
        !           114: .Bl -tag -width /dev/tuner0
        !           115: .It Pa /dev/tuner0
        !           116: default tuner device
        !           117: .El
        !           118: .Sh EXAMPLES
        !           119: The command
        !           120: .Pp
        !           121: .Dl "$ tunerctl chanset=nabcst channel=13"
        !           122: .Pp
        !           123: sets the tuner to North American broadcast TV channel 13.
        !           124: .Sh SEE ALSO
        !           125: .Xr bktr 4
        !           126: .Sh AUTHORS
        !           127: .Nm
        !           128: and this manual page were written by
        !           129: .An Jacob Meuser Aq jakemsr@jakemsr.com .