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.\"Generated by db2man.xsl. Don't modify this, modify the source.
.de Sh \" Subsection
.br
.if t .Sp
.ne 5
.PP
\fB\\$1\fR
.PP
..
.de Sp \" Vertical space (when we can't use .PP)
.if t .sp .5v
.if n .sp
..
.de Ip \" List item
.br
.ie \\n(.$>=3 .ne \\$3
.el .ne 3
.IP "\\$1" \\$2
..
.TH "GARMINCTL" 1 "" "" ""
.SH NAME
garminctl \- Control the modes of a Garmin GPS
.SH "SYNOPSIS"
.ad l
.hy 0
.HP 10
\fBgarminctl\fR [\-?] [\-h] [\-n] [\-b] [\-D\ \fIdebuglevel\fR] [\-V] \fIserial\-port\fR
.ad
.hy
.SH "DESCRIPTION"
.PP
garminctl switch a serial Garmin GPS to NMEA or Garmin Binary mode\&. On exit it leaves the serial port set to the proper baud rate\&.
.PP
This program is not for use with Garmin USB devices\&. Those are permanently set to Garmin Binary mode\&.
.PP
You will probably need to be root to run this program, as the serial device it uses is normally privileged\&.
.PP
The program accepts the following options:
.TP
\-?
Display program usage and exit\&.
.TP
\-b
Force GPS into binary mode\&. After the GPS resets itself autobaud to the new speed\&. Binary mode is always 9600 8N1\&.
.TP
\-n
Force GPS into NMEA mode\&. After the GPS resets itself autobaud to the new speed\&.
.TP
\-h
Display program usage and exit\&.
.TP
\-D
Set debug level\&.
.TP
\-V
Display program version and exit\&.
.SH "BUGS AND LIMITATIONS"
.PP
The logic for hunting the GPS's baud rate is vulnerable to various sorts of RS232 flakiness\&. If it hangs for longer than a few seconds, kill the program and restart\&.
.SH "SEE ALSO"
.PP
\fBgpsd\fR(8), \fBgps\fR(1), \fBlibgps\fR(3), \fBlibgpsd\fR(3), \fBgpsprof\fR(1), \fBgpsfake\fR(1), \fBgnuplot\fR(1)\&.
.SH "AUTHOR"
.PP
Gary E\&. Miller <gem@rellim\&.com>\&. This code is part of the gpsd toolset; there is a project page for gpsd here: \fIhttp://gpsd.berlios.de/\fR\&.
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