1 .\" Copyright (c) 2000 Alexey Zelkin. All rights reserved.
2 .\" Copyright (c) 1988, 1991, 1993
3 .\" The Regents of the University of California. All rights reserved.
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15 .\" This product includes software developed by the University of
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21 .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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33 .\" @(#)bcd.6 8.1 (Berkeley) 5/31/93
34 .\" $FreeBSD: src/games/morse/morse.6,v 1.4.2.7 2003/01/26 02:57:27 keramida Exp $
35 .\" $DragonFly: src/games/morse/morse.6,v 1.3 2006/02/17 19:33:31 swildner Exp $
42 .Nd reformat input as morse code
55 read the given input and reformat it in the form of morse code.
56 Acceptable input are command line arguments or the standard input.
63 option produces dots and dashes rather than words.
65 Send morse the real way. This only works if your system has
69 Set the sending speed in words per minute. If not specified the default
70 speed of 20 WPM is used.
72 Set the sidetone frequency to something other than the default 600 Hz.
76 but use the RTS line of
78 (which must by a tty device)
79 in order to emit the morse code.
81 echo each character before it is sent, used together with either
91 flags only work in conjunction with either the
97 Not all prosigns have corresponding characters. Use
111 The more common prosigns are
125 it is possible to key an external device, like a sidetone generator with
126 a headset for training purposes, or even your ham radio transceiver. For
127 the latter, simply connect an NPN transistor to the serial port
129 emitter connected to ground, base connected through a resistor
130 (few kiloohms) to RTS, collector to the key line of your transceiver
131 (assuming the transceiver has a positive key supply voltage and is keyed
132 by grounding the key input line). A capacitor (some nanofarads) between
133 base and ground is advisable to keep stray RF away,
135 minor glitch that is generated during program startup.
141 characters with the high-order bit set are interpreted as
142 Cyrillic characters. If your
152 .Bl -tag -width /dev/speaker -compact
162 .An Lyndon Nerenberg (VE7TCP/VE6BBM) Aq lyndon@orthanc.com .
164 Ability to key an external device added by
168 Only understands a few European characters
171 and no continental landline code.
173 Sends a bit slower than it should due to system overhead. Some people
174 would call this a feature.