GE Profile JVM1790 Owner's Manual page 15

About the sensor microwave features.
Covered
Vented
Dry off dishes so they don't mislead
the sensor.
Humidity Sensor
What happens when using the Sensor Features:
The Sensor Features detect the increasing humidity released during cooking. The oven
automatically adjusts the cooking time to various types and amounts of food.
Do not use the Sensor Features twice in succession on the same food portion—it may
result in severely overcooked or burnt food. If food is undercooked after the countdown,
use Time Cook for additional cooking time.
NOTE: Sensor features will not operate when the oven is hot. If one of the sensor cooking buttons is pressed
when the temperature inside the oven is greater than 200°F, "OVEN TOO HOT FOR SENSOR COOKING---
USING ALTERNATE METHOD" will be displayed. The oven will automatically change to cook by time (follow
the directions in the display) or once the oven is cool enough, the sensor features will function normally.
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The proper containers and covers are essential for best sensor cooking.
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Always use microwave-safe containers and cover them with lids or vented plastic wrap.
Never use tight sealing plastic containers—they can prevent steam from escaping and
cause food to overcook.
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Be sure the outside of the cooking containers and the inside of the microwave oven are
dry before placing food in the oven. Beads of moisture turning into steam can mislead
the sensor.
Auto Cook
(Do not use the shelves when microwave cooking.)
Because most cooking containers must be covered during Auto Cook, this feature is best
with foods that you want to steam or retain moisture.
NOTE: Use of the metal shelf with Auto Cook is not recommended.
Recommended Foods
A wide variety of foods including meats, fish and vegetables can be cooked
using this feature.
Foods not recommended
Foods that must be cooked uncovered, foods that require constant attention, foods that
require addition of ingredients during cooking and foods calling for a dry look or crisp
surface after cooking should not be cooked using this feature. It is best to Time Cook them.
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