Thanks mart.It turned cold and messy here in NC so I will be trying the different settings out real soon..Its killing me not tobe able to get out and hunt..I agree with any machine and different soil conditions its alot of trial and error, Thanks to several guys here and other forums..The settings are a good building block.And I am seeing alot of sweet finds that are popping up other machines have been looking for, theres no Doubt the F75 is a versitle nice little machine.A person just needs to get aquainted with it..I'll try rogers again today..thanks james..