<para>
   Frame means the maximum time difference that we accept between the EXIF time information
   of a picture and the timestamp of a track-, route- and waypoint used for tagging.
   Without this option the maximum time frame is 10 seconds.
</para>
<para>
  <userinput>gpsbabel -i gpx -f holiday.gpx -o exif,frame=60 -F IMG0784.JPG</userinput>
</para>
<para>
   If the camera time wasn't adjusted, you should use the offset option.  You may also need to use the frame option, or 
   the interpolate filter.
</para>
