Sharp 60705 Manual de instrucciones - Página 3

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Microwave output power

in Watts (based on

900W

international (IEC 60705)

standard).

Letter representing the

oven heating category.

Microwave Symbol.

Less heating time required

OVEN

OUTPUT

600 700 800 900 1000 Watts

POWER

More heating time required

Less heating time required

OVEN

OUTPUT

A B C D E

CATEGORY

More heating time required

Microwaves are energy waves, similar to those used for TV and radio

signals.

Electrical energy is converted into microwave energy, which is

directed into the oven cavity via a waveguide. To prevent food and

grease entering the wave guide it is protected by the waveguide

cover.

Microwaves cannot pass through metal, because of this the oven

cavity is made of metal and there is a fi ne metal mesh on the door.

During cooking the microwaves bounce off the sides of the oven

cavity at random.

The heating category (a letter A to E) developed by MAFF (Ministry of Agriculture,

Fisheries and Food) with microwave oven and food manufacturers indicates the

ability of the oven to heat small quantities of food (up to 500g [ I lb 2oz]). It does

not represent the general performance of the oven.

Food packs carry cooking instructions for heating categories A to E. Follow

instructions for the letter corresponding to the oven's heating category. The

higher the output power and heating category of the oven the less heating time is

required as shown opposite.

Microwaves will pass through certain materials, such as glass and

plastic, to heat the food. (See 'Suitable Ovenware' on page GB-17).

Water, sugar and fat in food absorb microwaves which cause them to

vibrate. This creates heat by friction, in the same way your hands get

warm when you rub them together.

The outer areas of the food are heated by the microwave energy,

then the heat moves to the centre by conduction, as it does in con-

ventional cooking. It is important to turn, rearrange or stir food to

ensure even heating.

Once cooking is complete, the oven automatically stops producing

microwaves.

Standing time is necessary after cooking, as it enables the heat to

disperse equally throughout the food.

GB-2

HEATING CATEGORY

HOW YOUR OVEN WORKS