+<para>
+ Specifying the <option>clean</option> flag makes the Gopal reader pass
+ over the data and discard data that is probably incorrect such as the
+ longitude and latitude of "0".
+</para>
+<para>
+ If you happen to be a boater or pilot off the south short of Ghana,
+ you may disagree that coordinates of "0, 0" are bad.
+</para>
--- /dev/null
+<para>
+Use this option to the description of the track which is text appears just below the track title in the track list on the device.
+</para>
+
+
--- /dev/null
+<para>
+ Use ths option to set the title of the track.
+</para>
--- /dev/null
+<para>
+ This option isn't entirely clear. It appears to be a unique number
+ for each track that is used for coloring on the main display. So if you
+ want two tracks to have different colors, set the track numbers to
+ different values.
+</para>
+<para>
+ If you can provide a better description of this option, please do contact
+ us.
+</para>
--- /dev/null
+<para>
+ Newer (post 2006 or so) Lowrance devices added a version three of their
+ .usr file format that adds depth. Specify "3" here to use that format
+ on write.
+</para>
+
+<para>
+<userinput>
+ gpsbabel ... -o lowranceusr,wversion=2 -F blah.usr
+</userinput>
+is exactly the same as
+<userinput>
+ gpsbabel ... -o lowranceusr -F blah.usr
+</userinput>
+</para>
+
+
+<para>
+To create a file that contains depth but therefore isn't usable
+on older Lowrance products, use this:
+<userinput>
+ gpsbabel ... -o lowranceusr,wversion=3 -F blah.usr
+</userinput>
+
+<para>
--- /dev/null
+<para>
+ Specifies a filename into which MTK-compatible CSV output will be written.
+</para>
--- /dev/null
+<para>
+ Note that this option is a bit of an oddity in the GPSBabel arsenal. This
+ should probably be a "real" output type of its own instead of being bolted
+ onto an input type.
+</para>
--- /dev/null
+<para>This option erases the track log from the device after download.</para>
+
-
+<para>
+ Specifies the icon type for unfound geocaches. Default is "bluepin".
+</para>