<para>Serial download protocol for the <productname>GlobalSat DG-200</productname>GPS data loggers.</para>
<para>
<ulink url="http://www.usglobalsat.com/p-677-dg-200-gps-data-logger.aspx">GlobalSat DG-200</ulink>
</para>
<example id="dg-200-on-linux">
  <title>Command showing DG-200 download and erase on Linux</title>
  <para><userinput>gpsbabel -t -i dg-200,erase -o gpx /dev/ttyUSB0 outputfile.gpx</userinput></para>
</example>
<example id="dg-200-on-linux-erase_only">
  <title>Command showing DG-200 erase_only option on Linux</title>
  <para><userinput>gpsbabel -t -i dg-200,erase_only /dev/ttyUSB0</userinput></para>
</example>

<para>
  The DG-200 provides a physical USB interface to the host computer, but
  internally it uses a Prolific PL-2303 chip to do this.  So you must have
  drivers installed on your computer to recognize the PL-2303 and provide
  that data as a serial port to software like GPSBabel.   Such software
  comes with the unit for Windows.  Prolific provides software for Mac OS/X,
  but unfortunately their driver has a defect which makes it unstable with
  GPSBabel.
</para>

