Except for some reason, you're unable to use the unit you have... no I'm not
talking
about with Suzie... you can't keep your boat off the rocks!

"Bobsprit" wrote in message
...
One feature of mapping is the "bread crumbs" that provide a safe path to
return
to a spot visited before. Very handy in foggy, rockbound coasts since it
means
you can exit any harbor you entered, or retreat if condition
deteriorate.


And there you have it!

RB