I am sure you are correct Mark. However, the same project, the same piece of walnut at the same spot carved .125 deep today and would not carve .0000000125 yesterday after 10 or more tries. . I can only attribute that to a new set of G code.
Thanks, Gordon
UPDATE: After I carved all my logos which is very small text I changed the material thickness and cutting depth. Mark is right, The software will not allow deeper cuts without making the text wider (bigger). It started air carving again!