Garmin EDGE 800 Owner's Manual page 13

Off Course Options
You can include a warmup before you
begin your course. Press START to
begin the course, and then warm up as
normal. Stay away from your course
path as you warm up. When you are
ready to begin, head toward your
course. When you are on any part of
the course path, the Edge displays an
"On Course" message.
NOTE: As soon as you press START,
your Virtual Partner starts the course
and does not wait for you to warm up.
Edge 800 Owner's Manual
You
If you stray away from the course,
the Edge displays an "Off Course"
message. Use the course map or course
points to find your way back to the
course.
Training with Your Edge
Virtual