<para>
By default, GPSBabel makes effort in order to keep courses already present on
the device, if any. This option allow to replace courses already present. If
you don't mind to keep old courses, this option is recommended because it
allows a faster transfer.
</para>
<para>
This option applies only to Garmin devices that support courses such as the Edge 305 or the Forerunner 305.
</para>
