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-.\" Copyright (c) 2000 Alexey Zelkin. All rights reserved.
-.\" Copyright (c) 1988, 1991, 1993
-.\" The Regents of the University of California. All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\" 3. Neither the name of the University nor the names of its contributors
-.\" may be used to endorse or promote products derived from this software
-.\" without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\" @(#)bcd.6 8.1 (Berkeley) 5/31/93
-.\" $FreeBSD$
-.\"
-.Dd June 7, 2005
-.Dt MORSE 6
-.Os
-.Sh NAME
-.Nm morse
-.Nd reformat input as morse code
-.Sh SYNOPSIS
-.Nm
-.Op Fl elps
-.Op Fl d Ar device
-.Op Fl w Ar speed
-.Op Fl c Ar speed
-.Op Fl f Ar frequency
-.Op Ar string ...
-.Sh DESCRIPTION
-The
-.Nm
-command reads the given input and reformats it in the form of morse code.
-Acceptable input are command line arguments or the standard input.
-.Pp
-Available options:
-.Bl -tag -width indent
-.It Fl l
-The
-.Fl l
-option produces output suitable for
-.Xr led 4
-devices.
-.It Fl s
-The
-.Fl s
-option produces dots and dashes rather than words.
-.It Fl p
-Send morse the real way.
-This only works if your system has
-.Xr speaker 4
-support.
-.It Fl w Ar speed
-Set the sending speed in words per minute.
-If not specified, the default
-speed of 20 WPM is used.
-.It Fl c Ar speed
-Farnsworth support.
-Set the spacing between characters in words per minute.
-This is independent of the speed
-that the individual characters are sent.
-If not specified, defaults to the effective value of the
-.Fl w
-option.
-.It Fl f Ar frequency
-Set the sidetone frequency to something other than the default 600 Hz.
-.It Fl d Ar device
-Similar to
-.Fl p ,
-but use the RTS line of
-.Ar device
-(which must by a TTY device)
-in order to emit the morse code.
-.It Fl e
-Echo each character before it is sent, used together with either
-.Fl p
-or
-.Fl d .
-.El
-.Pp
-The
-.Fl w , c
-and
-.Fl f
-flags only work in conjunction with either the
-.Fl p
-or the
-.Fl d
-flag.
-.Pp
-Not all prosigns have corresponding characters.
-Use
-.Ql #
-for
-.Em AS ,
-.Ql &
-for
-.Em SK ,
-.Ql *
-for
-.Em VE
-and
-.Ql %
-for
-.Em BK .
-The more common prosigns are
-.Ql =
-for
-.Em BT ,
-.Ql \&(
-for
-.Em KN
-and
-.Ql +
-for
-.Em AR .
-.Pp
-Using the
-.Fl d
-flag,
-it is possible to key an external device, like a sidetone generator with
-a headset for training purposes, or even your ham radio transceiver.
-For
-the latter, simply connect an NPN transistor to the serial port
-.Ar device ,
-emitter connected to ground, base connected through a resistor
-(few kiloohms) to RTS, collector to the key line of your transceiver
-(assuming the transceiver has a positive key supply voltage and is keyed
-by grounding the key input line).
-A capacitor (some nanofarads) between
-base and ground is advisable to keep stray RF away,
-and to suppress the
-minor glitch that is generated during program startup.
-.Sh ENVIRONMENT
-Your
-.Ev LC_CTYPE
-locale codeset determines how
-characters with the high-order bit set
-are interpreted.
-.Pp
-.Bl -tag -width ".Li ISO8859-15" -compact
-.It Li ISO8859-1
-.It Li ISO8859-15
-Interpret characters with the high-order bit set as Western European characters.
-.Pp
-.It Li KOI8-R
-Interpret characters with the high-order bit set as Cyrillic characters.
-.Pp
-.It Li ISO8859-7
-Interpret characters with the high-order bit set as Greek characters.
-.El
-.Sh FILES
-.Bl -tag -width ".Pa /dev/speaker" -compact
-.It Pa /dev/speaker
-.Xr speaker 4
-device file
-.El
-.Sh SEE ALSO
-.Xr speaker 4
-.Sh HISTORY
-Sound support for
-.Nm
-added by
-.An Lyndon Nerenberg (VE6BBM) Aq Mt lyndon@orthanc.ca .
-.Pp
-Ability to key an external device added by
-.An J\(:org Wunsch
-(DL8DTL).
-.Pp
-Farnsworth support for
-.Nm
-added by
-.An Stephen Cravey (N5UUU).
-.Sh BUGS
-Only understands a few European characters
-(German and French),
-no Asian characters,
-and no continental landline code.
-.Pp
-Sends a bit slower than it should due to system overhead.
-Some people would call this a feature.