A:Answer They increment by half with the settings Simmer, Lo, 1.5, 2.........9.0, Hi. So that makes 18 levels plus Boost (super hi). From the User's Manual, page 30
Setting Cooking method Examples for Use
8-Hi Intensive Frying
Boiling
Rapid boiling
Deep frozen foods
6-8
Frying
Stewing
Boiling
Pancakes, Steak, Cutlet. Grilled meat
Clear soup
Pasta cooking
4-6
Frying
Stewing
Boiling
Egg, fried
Thick soup, sauce and gravies
Slow boiling rice and milk dishes
Potato cooking
2-4 Poaching
Defrosting
Soft vegetable cooking
Defrosting frozen vegetable
Lo-2
Melting
Warming
Melting chocolate and butter
dissolving gelatin
simmer
keep warm