my reply will be of no help to you but,i couldn't resist.this is part of the programing in the 2630,"the feel good about your JD equipement"version 7.7.8.1.doubles the yield every so often so you can pay for all this whiz bang tech.version 7.8 will direct link to the grain purchaser so they will take your yield monitor bushels,instead of what you deliver.version 7.9 will allow you to run "two books"one for the grain purchaser,and one for crop insurance.