GE JB940 Owner's Manual page 14

Using the surface units.
The bridge burner switch is next to the
front burner control knob.
9" 6"
The right front surface unit has
2 cooking sizes to select from so you
can match the size of the unit to the
size of the cookware you are using.
Temperature Limiter
14
Using the Bridge Burner
To use the bridge burner, push in the left portion of
the BRIDGE BURNER switch next to the front burner
control knob.
Use the control knob for the front burner to heat the
front and middle section of the bridge burner.
Use the rear control knob to heat the rear section of
the bridge burner.
To use only the front burner, push in the right portion
of the BRIDGE BURNER switch next to the front burner
control knob.
Dual Surface Unit Switch
To use the small (6 inch) surface unit, push in the
SMALL BURNER portion of the switch next to the
control knob.
To use the large (9 inch) surface unit, push in the
LARGE BURNER portion of the switch.
Every radiant surface unit has a temperature limiter.
The temperature limiter protects the glass cooktop from getting
too hot.
The temperature limiter may cycle the units off for a time if:
The pan boils dry.
The pan bottom is not flat.
The pan is off center.
There is no pan on the unit.