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@(#)bcd.6 8.1 (Berkeley) 5/31/93
$FreeBSD: head/games/morse/morse.6 79754 2001-07-15 07:53:42Z dd $
.Dd December 7, 2000 .Dt MORSE 6 .Os .Sh NAME .Nm morse .Nd reformat input as morse code .Sh SYNOPSIS .Nm .Op Fl p .Op Fl d Ar device .Op Fl e .Op Fl w Ar speed .Op Fl f Ar frequency .Op Fl s .Op Ar string ... .Sh DESCRIPTION The command .Nm read the given input and reformat it in the form of morse code. Acceptable input are command line arguments or the standard input.
p Available options: l -tag -width flag t Fl s The .Fl s option produces dots and dashes rather than words. t Fl p Send morse the real way. This only works if your system has .Xr speaker 4 support. t Fl w Ar speed Set the sending speed in words per minute. If not specified the default speed of 20 WPM is used. t Fl f Ar frequency Set the sidetone frequency to something other than the default 600 Hz. t Fl d Ar device Similar to .Fl p , but use the RTS line of .Ar device
q which must by a tty device in order to emit the morse code. t Fl e echo each character before it is sent, used together with either .Fl p or .Fl d . .El
p The .Fl w and .Fl f flags only work in conjunction with either the .Fl p or the .Fl d flag.
p 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 .
p Using flag .Fl d Ar device 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 supress the minor glitch that is generated during program startup. .Sh FILES l -tag -width /dev/speaker -compact t Pa /dev/speaker speaker device file .El .Sh ENVIRONMENT If your .Ev LC_CTYPE locale codeset is .Ql KOI8-R , characters with the high-order bit set are being interpreted as Cyrillic characters. If your .Ev LC_CTYPE locale codeset is .Ql ISO8859-1 compatible, they are being interpreted as belonging to the .Ql ISO-8859-1 character set. .Sh SEE ALSO .Xr speaker 4 .Sh HISTORY Sound support for .Nm added by .An Lyndon Nerenberg (VE7TCP/VE6BBM) Aq lyndon@orthanc.com .
p Ability to key an external device added by .An J\(:org Wunsch (DL8DTL). .Sh BUGS Does only understand a few European characters (namely German and French), but neither Asian ones, or the continental landline code.
p Sends a bit slower than it should due to system overhead. Some people would call this a feature.