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Microwave - Benefit of Power Levels

The power levels give you greater flexibility and allows you to fine tune or adapt your recipes.

To change the Power Level:
  1. Touch TIME COOK.
  2. Enter the desired minutes.
  3. Touch POWER LEVEL.
  4. Enter the desired Power Level.
  5. Press START to start the cooking process.

    You can also change power levels during cooking but you cannot change them during "automatic functions."
Power levels are most commonly used in recipes to prevent overcooking.
Fats and sugars heat very quickly (for example, cheese toppings or brown sugar glaze). Using a lower power level or adding toppings halfway through the cooking time will avoid overcooking of these items.

The time it takes to cook food in microwaves depends upon the volume of the food, its size, shape, density and starting temperature as well as the wattage of the microwave.

These are general guidelines to help in cooking.
High (100) percent power is best for browning, boiling liquids, cooking or heating fish, ground meats, bacon, and zapping food.

Medium-high (70) percent for roasting meats and poultry, baking casseroles and convenience foods, sauté and re-heating food.

Medium (50) percent power for slow-cooking and braise food.

Low (30) percent power for defrosting, simmering, delicate sauces.

Warm (10) percent power for heating breads, keeping food warm for a short period of time, soften butter, cheese and chocolate.

To change the power level, touch time cook and the desired minutes, then touch power level pad and enter the desired power level. You can also change power levels during cooking but you cannot change them during "automatic functions."

Microwave ovens vary in the number of power levels available, depending upon the model. Each level serves a definite purpose and should be used as recommended. Power levels are a percentage of "on time", or the magnetron tube cycles on and off to obtain the various levels. Below are list of percentages that are found on GE microwaves.


Most GE models
High Power100% on time
level 990% on time
level 880% on time
level 770% on time
level 660% on time
level 550% on time
level 440% on time
level 330% defrost
level 220% defrost
level 110% warm


Models with 5 power levels
High power100% on time
Medium high power70% on time
Medium power50% on time
Low power30% on time
Warm power10% on time


On some older models the percentage of power is different such as JET342H:
level 10100% (High)
level 9 93% (Medium-high)
level 870% (Medium)
level 752% (Medium-low)
level 635% (Defrost)
level 529% (Low)
level 310% (Warm)

Please consult the Owner's Manual or the cookbook (on models so equipped). Download a free copy of the Owner's Manual and/or nstallation Instructions.