2–4
CAUTIONS AND WARNINGS
Lower Rear of Oven (Identification of Interconnects)
♦ Cable for 120 V ac, 50/60 Hz (Model 4730) or 208–240
V ac, 50/60 Hz (Model 4731) power to the oven.
♦ The oven power source must have a reliable earth
ground connection, or a hazardous condition may occur
during oven operation.
♦ Two 9-pin serial interfaces: the left interface is used to
connect the oven to a serial device, such as a computer
or printer; the right interface is for factory use only.
Upper Right of Oven Door
♦ Surfaces of the oven are hot and may cause burns to
unprotected skin.
♦ Place oven on a non-combustible surface and 15 cm
(6 in.) away from any structure or other items.
♦ WARNING – Before opening the door, look through
the window to ensure that there is no combustion
occurring inside the oven.
♦ Always use the door as a shield when opening the door.
♦ If any flames appear at the top of the door, close it
immediately.
♦ When operating the unit, always wear protective
clothing.
Upper Sides of Oven
♦ Upper surfaces of the oven are hot and may cause burns
to unprotected skin.
♦ Place oven 15 cm (6 in.) away from any structure or
other items.