Just asking a noob question. In my profiles for my ValueJet 1204 there are 3 heaters. Pre, Platen and Post. All 3 can be manually adjusted to 50 degrees Celsius. Most profiles (preloaded from Flexi) all 3 temp settings are different, 40 pre, 48 platen, 46 post, OR 50 pre, 40 platen, 45 post...