GE Appliances JGB850 Owner's Manual And Installation Instructions page 12

Using the upper oven.
Push in and turn the upper oven
knob to any desired setting.
To use the upper oven
J-f] Pushin and turn the upper oven knob to
any desired setting.
[] Allow the upper oven to preheat.
Theupper oven signal light is located on the
upper left sideof the knob and glows when the
knob is in the ONposition.It remains ON until
the knob is moved to the OFFposition.
The "Heating" signal light is located on the
upper right side of the knob and glows when
the heating elements are active. Preheat
is complete after the "Heating" signal has
turned off for the first time with each use.
A tone will NOTsound when the oven is
finished preheating.
NOTES."
Thelower oven cannot be used during a
self-clean cycle of the upper oven.
Do not put food, foil or cookware directly on
the bottom of the upper oven.
If foods require a cover, useonly foil or lids
able to withstand baking temperatures. Do
not use plastic.
For best baking results, use rack position B. If
your dish is too tall, place on rack position A.
For best results, bake cakesin lower oven.
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