Just my opinion, I think every newbie should go through a Clear and re-key several times and also read through the S-2000_Vision_SW_setup 3 pdf. It helps a lot to understand what your doing. There are a couple fantastic set up procedures post clear/key but you have to be aware of what your Multi Denomination and Tito settings need to be. I did the first clear/key and went off what was recommended (blindly) and when the machine came up my denominations were all wrong hence why I had to do several. Thank you to everyone that has taken the time to put such cheat sheets together!