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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE refentry PUBLIC
"-//OASIS//DTD DocBook XML V4.1.2//EN"
"docbook/docbookx.dtd">
<refentry id='itraxctl.1'>
<refmeta>
<refentrytitle>itraxctl</refentrytitle>
<manvolnum>1</manvolnum>
<refmiscinfo class='date'>23 Oct 2006</refmiscinfo>
</refmeta>
<refnamediv id='name'>
<refname>itraxctl</refname>
<refpurpose>Control the modes of an iTrax GPS</refpurpose>
</refnamediv>
<refsynopsisdiv id='synopsis'>
<cmdsynopsis>
<command>itraxctl</command>
<arg choice='opt'>-n </arg>
<arg choice='opt'>-b </arg>
<arg choice='opt'>-s <replaceable>speed</replaceable></arg>
<arg choice='plain'><replaceable>serial-port</replaceable></arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1 id='description'><title>DESCRIPTION</title>
<para><application>itraxctl</application> switches an iTrax GPS to NMEA
or iTalk Binary mode. Port speed and protocol can be set independently of
each other.</para>
<para>You will probably need to be root to run this program, as the
serial device it uses is normally privileged.</para>
<para>The program accepts the following options:</para>
<variablelist remap='TP'>
<varlistentry>
<term>-b</term>
<listitem>
<para>Force GPS into binary mode. This option overrides any previous
-n options.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-n</term>
<listitem>
<para>Force GPS into NMEA mode. This option overrides any previous
-b options.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-s</term>
<listitem>
<para>Set port speed. iTrax chipsets support speeds of 4.8 - 921.6 kbps
though the *NIX drivers might not run faster than 230.4 kbps. Fastrax
recommends that a serial port not be run slower than 115.2 kbps when the
iTalk protocol is selected.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id='bugs'><title>BUGS AND LIMITATIONS</title>
<para>Setting NMEA mode from binary mode does not yet work. This is being
actively investigated. Integrated data logging control is planned but not
yet supported.</para>
</refsect1>
<refsect1 id='see_also'><title>SEE ALSO</title>
<para>
<citerefentry><refentrytitle>gpsd</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gps</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>libgps</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>libgpsd</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gpsprof</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gpsfake</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>gnuplot</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
</para>
</refsect1>
<refsect1 id='maintainer'><title>AUTHOR</title>
<para>Chris Kuethe <email>chris.kuethe@gmail.com</email>.
This code is part of the gpsd toolset; there is a
project page for <application>gpsd</application> <ulink
url="http://gpsd.berlios.de/">here</ulink>.</para> </refsect1>
</refentry>
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