i got an incubator from a friend ,who got it from a friend. she's never used it . and it didnt come with instructions. it is square, styrafoam, with a window on top. it has an egg turner but i'm not quite sure if it works. but it does make a little noise and heat up when it's plugged in. can anyone give me the info needed to begin hatching. temp, humidity, turning, etc. i have a book that tells about the growth sages and what to look for. but that's about it. any help would be great. thanks, krista