Is it possible to share waypoints between the 997c and the 859ciHD? It looks like the menu in the 859 doesn't have the option to share like the 997 does. I do have InterLink which is only being used to share the GPS puck. I've been running this setup for a couple seasons now and hate not being able to share between the units. Thanks for any help. Hopefully I don't have to replace the front unit.