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Several factors should be kept in mind when selecting utensils to be used for microwave heating.

1. A plate with a narrow rim of about 1/2-inch (1.3 cm) is recommended. This keeps the food all at the

same level for more even, uniform heating.

2. Casseroles and sauced items should be heated in straight sided containers.
3. Containers should be chosen to be large enough to contain foods as they expand with heating. Milk

products are especially subject to boil-overs.

4. Most foods heat better if they are covered. Covering retains the heat that has been created, reduces

dehydration and helps keep the oven clean. There should be an opening for steam to escape from
the food. Covers should also be non-metallic to allow for proper heating.

Techniques

1. Microwave cooking is ideal for times when you run out of certain items or for preparation during slow

periods.

2. Avoid overcooking. Small portions of food should stand 2-3 minutes following cooking; during this

standing time foods will complete cooking. Large portions require longer standing times.

3. When a range of times is given in a recipe (2-3 minutes), always cook the shorter amount of time

and check for doneness. Foods can always be returned to the microwave for additional cooking.
Overcooked foods are tough or dry.

4. Arrange foods with thicker portions or larger pieces toward the outside of the cooking container. Most

foods cook more evenly and faster if covered.

5. The microwave oven is quite useful in reducing broiling times for steaks and chops. Partially prepare

the meat in microwave oven, then broil for a shorter period of time.

6. Sliced meats should be at least 1/2-inch (1.3 cm) thick for best heating results. Turning the meat

product over once during the heating process will yield more uniform heating.

Pastries

1. Placing rolls or muffins on a paper towel or napkin or wrapping in a paper towel eliminates excess

moisture and gives best results.

2. Avoid overheating. Baked items will be hotter on the inside than on the outside. Overheating causes

baked products to be dry and tough.

Breakfast Items

1. Eggs should be slightly undercooked when preparing them for later reheating in the microwave. Cool

quickly and store covered.

2. Arrange foods on platter with easily heated items near center of plate (eggs) and denser items toward

outside (sausage).

3. Do not cook eggs in the shell. Pressure will build up inside the shell and it will burst. Do not reheat

cooked eggs unless they are scrambled or chopped. Puncture the yolk before cooking eggs.

Sandwiches

1. Pre-toast bread and cool on air rack. Egg and shortening rich bread gives best results.
2. Sandwich meats should be sliced very thin. When assembling sandwich, place thicker portions

toward outside edges.

3. Cover sandwiches and refrigerate no longer than three hours. When ready to heat in the microwave,

unwrap and place on paper towel or napkin. Most sandwiches should be heated uncovered unless
wrapped in paper towel or napkin. The paper absorbs excess moisture, preventing the sandwich
from becoming soggy.

4. Avoid overheating. Filling heats rapidly, and overheated sandwiches become dry and tough.

Guidelines for microwave heating

Summary of Contents for R-21LCF - Oven Microwave 1000 W

Page 1: ...luding area code and description of the problem Visit us at www sharpusa com TO ACCESS INTERNET To aid in reporting this commercial microwave oven in case of loss or theft please record below the model number and serial number located on the unit We also suggest you record all the information listed and retain for future reference MODEL NUMBER ________________________ SERIAL NUMBER ______________ ...

Page 2: ...21LTF LVF 8 Before Operation 8 Memory Operation 8 Cooking with memory 8 Cooking double quantity with memory 8 Memory program entry 9 Setting time and power level 9 Setting magnification factor 9 Memory check 10 Checking time and power level 10 Checking magnification 10 a Donotattempttooperatethisovenwiththedooropensinceopen dooroperationcanresult in harmful exposure to microwave energy It is impor...

Page 3: ...t shall be the sole and exclusive remedy available to the purchaser Correction of defects in the manner and for the period of time described herein shall constitute complete fulfillment of all liabilities and responsibilities of Sharp to the purchaser with respect to the Product and shall constitute full satisfaction of all claims whether based on contract negligence and strict liability or otherw...

Page 4: ...ar a swimming pool or similar locations 12 Do not use this appliance near the steamer or the fryer 13 Do not immerse cord or plug in water 14 Keep cord away from heated surfaces 15 Do not let cord hang over edge of table or counter 16 See door surface cleaning instructions on page 15 17 To reduce the risk of fire in the oven cavity a Do not overcook food Carefully attend appliance when paper plast...

Page 5: ...C 115 120 volt 15 amp or more Be careful not to drape the cord over the countertop or table where it can be pulled on by children or tripped over accidentally Notes 1 If you have any questions about the grounding or electrical in structions consult a qualified electrician or service person 2 Neither Sharp nor the dealer can accept any liability for damage to the oven or personal injury resulting f...

Page 6: ...Ceramic shelf 5 Control panel 6 Cavity face plate 7 Door latch openings 8 Door latches 9 Door hinges 10 Door seals and sealing surfaces 11 Door handle 12 Oven door with see through window 13 Air ventilation cover and openings 14 Power supply cord 15 Air intake openings 16 Outer case cabinet ...

Page 7: ...CONTROL PANEL PART NAMES 1 Digital readout 2 DOUBLE QUANTITY pad 3 EXPRESS DEFROST pad 4 Ten number pads for time and memory pro gramming 5 SELECTATIME pad 6 STOP CLEAR pad touch to stop operation of oven and clear remaining heating time 7 SELECTAPOWER pad for setting variable power level R 21LTF only 8 START pad touch to operate oven after door is closed and time is set 9 SET pad for setting memo...

Page 8: ...b 900 g 1 Power on 30 seconds Break apart and remove defrosted pieces Stand 1 minute 2 Power on 30 seconds Allow to stand for 5 minutes to equalize temperatures 1 Power on 1 minute Break apart and remove defrosted pieces Stand 2 minutes 2 Power on 1 minute Allow to stand for 5 minutes to equalize temperatures 1 Power on 1 minute Separate and shield if necessary Stand 1 minute 2 Power on 1 minute A...

Page 9: ...ad DOUBLE QUANTITY 1 1 BEFORE OPERATION Before operating your new oven make sure you read and understand this operation manual com pletely 1 Plug in the oven The digital display will then show 2 You can input the pads only when the door is closed 3 Ovenlightwillcomeonwhentheovenisoperating or the door is open 4 The program and the check are canceled when any pads are not touched for more than 3 mi...

Page 10: ...ification factor of 1 7 for DOUBLE QUANTITY You can change the magnification factor for double quantity and have it stored in the memory Supposeyouwanttosetthemagnificationfactorto 1 67 for double quantity in memory 1 1 Touch SET pad twice within 2 sec 2 Touch DOUBLE QUANTITY pad 3 Touch number pad 1 4 TouchSELECTATIME pad 5 Touch NUMBER pads 1 6 and 7 6 Touch SET pad twice Procedure Display SET x...

Page 11: ...you want to know the magnification fac tor for double quantity in memory 1 CHECK After about 1 sec REPEAT Note 1 To cancel memory check touch the CHECK pad 2 When is displayed at Step 1 the memory is not set 3 For R 21LTF If you want to check memory 11 20 touch the desired number pad twice within 1 second Procedure Display CHECK Note 1 Tocancelmemorycheck touchtheCHECK pad 2 Themagnificationfactor...

Page 12: ... maximum of 30 minutes Follow steps 1 and 3 Cooking sequence 1 stage Microwave power level 100 only Cooking time Max 30 minutes 1 Enter cooking time Suppose you want to cook for 2 minutes and 30 seconds at 50 Procedure Display SELECTATIME 2 3 0 MANUAL OPERATIONS ON START Note ItisnotnecessarytotouchSELECTAPOWER pad for 100 If the cooking time is over the maximum time the display will show EE 9 Mul...

Page 13: ...meat and poultry faster and better Calculate total defrost time from chartbelow ExpressDefrostcanbeprogrammedfor a maximum of 90 minutes Suppose you want to defrost one pound of lamb chops for 2 minutes and 30 seconds Procedure Display DEF EXPRESS DEFROST 1 Touch EXPRESS DEFROST pad 2 Enterdefrostingtime Refer to chart be low 3 Touch START pad 4 Touch START pad START Midway through the defrosting ...

Page 14: ...ared by touching SET pad during checking mode Suppose you want to clear the times of memory 1 Procedure Display After about 1 sec CHECK x 2 1 Touch CHECK pad 2 times Total count will be displayed 2 Touch number pad 1 to check total times it was used 1 Note 1 To cancel counter check touch CHECK pad 2 To clear times of manual cooking touch SELECTATIME pad in Step 2 instead of number pad 3 To clear t...

Page 15: ...nute on High 100 o N s e Y n o e m o c t h g i l n e v o e h t s e o D A o N s e Y k r o w n a f g n i l o o c e h t s e o D B Put your hand over the back ventilation opening C For R 21LTF or R 21LVF Does the ON indicator come on Yes No o N s e Y t o h r e t a w e h t s i e t u n i m 1 f o d n e e h t t A D If NO is the answer to any of the above questions please check electrical outlet fuse and o...

Page 16: ... cleaners or scouring pads on any part of your microwave oven Oven exterior The outside of your oven can be easily cleaned with mild soap and water Make sure to rinse thoroughly and dry the exterior with a soft towel Control panel Care should be taken in cleaning the control panel Open the door before cleaning to inactivate the control panel pads Using a cloth dampened with water only gently wipe ...

Page 17: ...microwave oven Cardboard can also be used Paper is used in the microwave oven as a moisture insulator Wax coated paper plates and cups should be avoided since the high temperatures that the foods reach may cause the wax to melt Plastic coated dishes however are fine for use in the microwave oven Wax paper and paper towels provide an excellent loose cover for foods and help prevent spatters Do not ...

Page 18: ...roiling times for steaks and chops Partially prepare the meat in microwave oven then broil for a shorter period of time 6 Sliced meats should be at least 1 2 inch 1 3 cm thick for best heating results Turning the meat product over once during the heating process will yield more uniform heating Pastries 1 Placing rolls or muffins on a paper towel or napkin or wrapping in a paper towel eliminates ex...

Page 19: ...ently without heating For R 21LCF R 21LCFS See page 7 for DEFROSTING FROZEN FOODS CHART Since different foods heat at different rates of speed there are several influencing factors that should be taken into consideration when heating foods with microwave energy 1 The lower the initial temperature of a food the longer it will take to heat in a microwave oven 2 Since with a microwave oven you are he...

Page 20: ... Frankfurter 30 40 Heat uncovered from refrig 31 2 oz 100 g Grilled Cheese 30 40 Heat uncovered from refrig 4 oz 115 g Ham Sandwich 30 40 Heat uncovered from refrig 4 5 oz 115 140 g Ham Cheese 30 40 Heat uncovered from refrig 5 oz 140 g Italian Sausage 40 50 Heat uncovered from refrig 4 5 oz 115 140 g Pastrami 40 50 Heat uncovered from refrig 4 oz 115 g Roast Beef 40 50 Heat uncovered from refrig ...

Page 21: ...at covered from refrig g i r f e r m o r f d e r e v o c t a e H 0 4 0 3 s a e P g 5 1 1 z o 4 4 oz 115 g Potatoes au Gratin 50 60 Heat covered from refrig 4 oz 115 g Potatoes pre baked 50 60 Heat uncovered from refrig Quantity Item Comment Plated Meals 1 small Plated Meal 2 21 2 min Heat covered from refrig 1 large Plated Meal 21 2 31 2 min Heat covered from refrig Primary Cooking 4 slices Bacon ...

Page 22: ...plates or other utensils made from recycled paper for microwave heating Recycled paper products may contain certain impurities which could cause the paper to ignite during microwave heating 8 Stir liquids briskly before heating and allow to stand at least for 20 seconds after heating before stirring or drinking to avoid eruption REMINDERS SPECIFICATIONS Single phase 120V 60Hz A C only 1 55 kW 14 A...

Page 23: ...yed CHECK CHECK X 2 SELECTATIME EXPRESS DEFROST CHECK X 2 To check count touch each pad as indicated below after step 1 above 1 Count of memory 1 etc Count of manual cooking Count of Express Defrost Toclearthenumberof times Suppose you want to clear the times in memory 1 1 Touch CHECK pad 2 times 2 Touch number pad 1 3 Touch SET pad 1 SET Any count can be canceled by touching the SET pad during th...

Page 24: ...ose you want to cook using memory 1 Touch number pad 1 For R 21LTF only If you want to use memory 11 20 touch desired number pad twice within 1 second COOKING DOUBLE QUANTITY WITH MEMORY Suppose you want to cook 2 servings by memory 1 1 Place food in oven Touch DOUBLE QUAN TITY pad 2 Touch number pad 1 MEMORY PROGRAM ENTRY Suppose you want to set 4 munutes at 60 for the 1st stage for 1 serving in ...

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