Obtaining gps track from Holux M241 via bluetooth using gpsbabel on Mac OS X 10.7.4

gpsbabel -t -w -i m241 -f /dev/tty.HOLUX_M-241-SPPSlave -o gpx -F `date +’%F-%H:%M’`.gpx

Reference:
http://wiki.openstreetmap.org/w/index.php?title=Holux_M-241&oldid=725900