Just got my SM 25 and have put it all together. I have never smoked or cooked with wood before. Already for my first smoke which will be Saturday, weather permitting. How do I tell if the heating element is touching the wood box or in close enough proximity to it to be operating properly. Is this something I will just have to monitor as I use it. Also, like I said, I've never smoked anything before and don't know apple from hickory from any other sort of wood. How can I tell what wood is what in my sample box. thanks.