®
1000 WATTS- UTY
COMMERCIAL MICROWAVE OVEN
MODELS
R-21LC, R-21LT, R-21LV
OPERATION MANUAL
FOR CUSTOMER ASSISTANCE
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 ______________
DATE OF PURCHASE ______________________
DEALER ____________________________ TELEPHONE ________________
SERVICER ___________________________ TELEPHONE ________________
TO PHONE:
SERVICE and PARTS
(for your nearest Sharp Authorized Servicer and Parts Distributor)
ADDITIONAL CUSTOMER INFORMATION
United States ..................................... 1-877-427-7696
TO WRITE:
For service problems, warranty information, missing items and other assistance:
Sharp Electronics Corporation
Customer Assistance Center
Sharp Plaza Blvd
Memphis,Tennesse 38193
Please provide the following information when you write or call: model number, serial number,
date of purchase, your complete mailing address (including zip code), your daytime telephone
number (including area code) and description of the problem.
TO ACCESS INTERNET:
Visit us at www.sharpusa.com
1
Manual Operations .................................... 11
Time cooking ........................................... 11
Multiple sequence cooking ...................... 11
Express Defrost ....................................... 12
Express Defrost Chart ............................. 12
Counter check ......................................... 13
To check times used ...............................13
To clear the number of times ..................13
Other Convenient Features ........................ 14
Signal setting ........................................... 14
Demonstration Mode ............................... 14
Service Call Check ........................................ 14
Care and Cleaning ........................................ 15
Cooking Guide .............................................. 16
Utensils ...................................................... 16
Guidelines for microwave heating .............. 17
Timing guide .............................................. 18
Heating and cooking time guide ................ 19
Reminders ..................................................... 21
Specifications ................................................ 21
Auto-Touch Guide ...........................22-Back cover
For Customer Assistance ................ Front cover
Contents .......................................................... 1
Precautions to Avoid Possible Exposure to
Excessive Microwave Energy ...................... 1
Limited Warranty ............................................. 2
Important Safety Instructions .......................... 3
Grounding Instructions .................................... 4
Installation ....................................................... 4
Part Names ..................................................... 5
Steps for Operating for R-21LC ...................... 7
Defrosting Frozen Foods Chart ................... 7
Steps for Operating for R-21LT/LV ................. 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) Do not attempt to operate this oven with the door open since open-door operation can result
in harmful exposure to microwave energy. It is important not to defeat or tamper with the
safety interlocks.
(b) Do not place any object between the oven front face and the door or allow soil or cleaner
residue to accumulate on sealing surfaces.
(c) Do not operate the oven if it is damaged. It is particularly important that the oven door close
properly and that there is no damage to the: (1) door (bent), (2) hinges and latches (broken
or loosened), (3) door seals and sealing surfaces.
(d) The oven should not be adjusted or repaired by anyone except properly qualified service
personnel.
CONTENTS
PRECAUTIONS TO AVOID POSSIBLE EXPOSURE
TO EXCESSIVE MICROWAVE ENERGY
END USER LIMITED WARRANTY
SHARP ELECTRONICS CORPORATION warrants to the rst end-user purchaser that this Sharp brand product (the
"Product"), when shipped in its original container and sold or distributed in the United States by Sharp or authorized
Sharp distributor or reseller, will be free from defective workmanship and materials, and agrees that it will, at its option,
either repair the defect or replace the defective Product or part thereof with a new or remanufactured equivalent at no
charge to the purchaser for parts or labor for the period(s) set forth below.
This warranty does not apply to any appearance items of the Product nor to the additional excluded item(s) set forth
below nor to any Product the exterior of which has been damaged or defaced, which has been subjected to improper
voltage or other misuse, abnormal service or handling, or which has been altered or modied in design or construction.
This warranty does not apply if the commercial microwave oven is not operated and maintained according to the
instructions attached.
In order to enforce the rights under this limited warranty, the purchaser should follow the steps set forth below and
provide proof of purchase to the servicer.
To the extent permitted by applicable state law, the warranties set forth herein are in lieu of, and exclusive of, all other
warranties, express or implied. Specically, ALL OTHER WARRANTIES OTHER THAN THOSE SET FORTH ABOVE
ARE EXCLUDED. ALL EXPRESS AND IMPLIED WARRANTIES INCLUDING THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR USE, AND FITNESS FOR A PARTICULAR PURPOSE ARE SPECIFICALLY
EXCLUDED. If, under applicable state law, implied warranties may not validly be disclaimed or excluded, the duration of
such implied warranties is limited to the period(s) from the date of purchase set forth below. This limited warranty gives
your specic legal rights, and you may also have other rights which vary from state to state.
Neither the sales personnel of the seller nor any other person is authorized to make any warranties other than those
described herein, or to extend the duration of any warranties beyond the time period described herein on behalf of Sharp.
The warranties described above shall be the sole and exclusive warranties granted by Sharp and product repair or
replacement 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 fulllment 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 otherwise. In no event shall Sharp be liable, or in any way responsible, for any
damages or defects in the Product which were caused by repairs or attempted repairs performed by anyone other than
an authorized servicer. Nor shall Sharp be liable or in any way responsible for any incidental or consequential economic
or property damage. Some states do not allow limits on warranties or on remedies for breach in certain transactions; in
such states, the limits herein may not apply.
“THIS LIMITED WARRANTY IS VALID ONLY IN THE FIFTY (50) UNITED STATES, THE DISTRICT OF COLUMBIA, AND PUERTO RICO.”
IN THE EVENT OF REPLACEMENT, THE WARRANTY START DATE REMAINS THE SAME FROM THE ORIGINAL PURCHASE DATE.
Your Product Model Number & Description: R-21LC, R-21LT or R-21LV
Commercial Microwave Oven
(Be sure to have this information available when you need
service for your oven.)
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labor in the end user's place of business
parts and labor in the end user's place of business. The warranty
continues for an additional two years, for a total of three years,
with respect to the magnetron tube; labor and service are not
provided free of charge for this additional period.
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Warranty Coverage (if any):
Servicer will come to your location and if it is necessary to
remove the Product, the Servicer will reinstall it. Be sure to
have Proof of Purchase available.
TO OBTAIN SUPPLY OR PRODUCT INFORMATION, CALL 1-800-BE-SHARP OR VISIT www.sharpusa.com.
Save the proof of purchase as it is needed should your oven ever require warranty service.
2
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3
When using electrical appliances basic safety precautions should be followed, including the following:
WARNING - To reduce the risk of burns, electric shock, fire, injury to persons or exposure to excessive
microwave energy:
1. Read all instructions before using the appliance.
2. Read and follow the specific
“PRECAUTIONS TO AVOID POSSIBLE
EXPOSURE TO EXCESSIVE MICROWAVE ENERGY”
on page 1.
3. This appliance must be grounded. Connect only to properly grounded outlet.
See
“GROUNDING INSTRUCTIONS” on page 4.
4. Install or locate this appliance only in accordance with the provided installation instructions.
5. Some products such as whole eggs and sealed containers – for example, closed glass jars – are able
to explode and should not be heated in this oven.
6. Use this appliance only for its intended use as described in this manual. Do not use corrosive chemicals
or vapors in this appliance. This type of oven is specifically designed to heat, cook or dry food. It is not
designed for industrial or laboratory use.
7. As with any appliance, close supervision is necessary when used by children.
8. Do not operate this appliance if it has a damaged cord or plug, if it is not working properly or if it has
been damaged or dropped.
9. This appliance should be serviced only by qualified service personnel. Contact nearest Sharp
Authorized Servicer for examination, repair or adjustment.
10.Do not cover or block any openings on the appliance.
11.Do not store or use this appliance outdoors. Do not use this product near water – for example, near
a kitchen sink, in a wet basement, near 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, plastic or other combustible
materials are placed inside the oven to facilitate cooking.
b. Remove wire twist-ties from paper or plastic bags before placing bag in oven.
c. If materials inside the oven ignite, keep oven door closed, turn oven off and disconnect the power
cord or shut off power at the fuse or circuit breaker panel.
d. Do not use the cavity for storage purposes. Do not leave paper products, cooking utensils or food
in the cavity when not in use.
18.Liquids, such as water, coffee, or tea are able to be overheated beyond the boiling point without
appearing to be boiling. Visible bubbling or boiling when the container is removed from the microwave
oven is not always present. THIS COULD RESULT IN VERY HOT LIQUIDS SUDDENLY BOILING
OVER WHEN A SPOON OR OTHER UTENSIL IS INSERTED INTO THE LIQUID.
To reduce the risk of injury to persons:
a. Do not overheat the liquid.
b. Stir the liquid both before and halfway through heating it.
c. Do not use straight-sided containers with narrow necks. Use a wide-mouthed container.
d. After heating, allow the container to stand in the microwave oven at least for 20 seconds before
removing the container.
e. Use extreme care when inserting a spoon or other utensil into the container.
19.If the oven light fails, consult a SHARP AUTHORIZED SERVICER.
SAVE THESE INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
4
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Hole
7
1
/8" (20.1 cm)
1" (2.5 cm)
This appliance must be grounded. This oven is equipped with a cord having a grounding wire with a grounding
plug. It must be plugged into a wall receptacle that is properly installed and grounded in accordance with the
National Electrical Code and local codes and ordinances. In the event of an electrical short circuit, grounding
reduces risk of electric shock by providing an escape wire for the electric current.
WARNING – Improper use of the grounding plug can result in a risk of electric shock.
Electrical Requirements
The electrical requirements are a 120 volt 60 Hz, AC only, 15 amp. or more
protected electrical supply. It is recommended that a separate circuit serving
only this appliance be provided.
The oven is equipped with a 3-prong grounding plug. It must be plugged into
a wall receptacle that is properly installed and grounded. Should you only
have a 2-prong outlet, have a qualified electrician install a correct wall receptacle.
A 3-prong adapter may be purchased and used temporarily if local codes
allow. Follow package directions.
A short power-supply cord is provided to reduce risk of becoming entangled in
or tripping over a longer cord.
Extension Cord
If it is necessary to use an extension cord, use only a 3-wire extension cord
that has a 3-blade grounding plug and a 3-slot receptacle that will accept the
plug on the microwave oven. The marked rating of the extension cord should
be AC 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 from failure to observe the
correct electrical connection procedures.
Radio or TV Interference
Should there be any interference caused by the microwave oven to your radio or TV, check that the microwave
oven is on a different electrical circuit, relocate the radio or TV as far away from the oven as feasible or check
position and signal of receiving antenna.
GROUNDING INSTRUCTIONS
INSTALLATION
Because your Sharp Commercial Microwave Oven will be used
frequently, place it so that there is easy access for all users.
1. Be sure all electrical requirements are met. See above.
2. Air intake openings are on the back of the unit. Install the unit at
least 2 inches (5.1 cm) away from the nearest wall to permit
adequate ventilation for proper cooling and air flow in the oven.
3. Install the unit where no excessive heat or steam are generated.
Do not place next to an oven or cooking surface.
4. The unit may be secured to a countertop or stand. There is a
screw hole in the bottom of the unit. After the oven is permanently placed, drill a hole through the counter top for a 3/16 inch
(
0.48 cm) self-tapping screw. The hole should be 1 inch (2.5 cm)
from the left side of the outer case cabinet and 7-1/8 (20.1 cm)
inches back from the front edge of the cavity face plate.
5
PART NAMES
MICROWAVE OVEN PARTS
1. Back splash cover
2. Side splash cover
3. Oven light
4. 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
6
TIME GUIDE FOR ONE SERVING
10 - 30 sec.
Bagel, Roll
Muffin, Pastry
Pie Slice
30 - 60 sec.
Hot Dog
Pizza Slice
Small Sandwich
1 - 2 min.
Beverage, Soup
Large Sandwich
Popcorn, 1.5 oz.
2 - 3 min.
Casserole, Stew
Chili, Chowder
Popcorn, 3.5 oz.
With the door closed,turn the timer to
the desired time. Oven will begin
operating immediately.
To shut oven off manually,return timer
to "0".
INSTRUCTIONS
0
10
20
30
40
50
1
1.5
2
2.5
3
4
5
6
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
DEFONNO.X2CHECK
DEFONNO.X2CHECK
CONTROL PANEL
PART NAMES
1. Digital readout
2. DOUBLE QUANTITY pad
3. EXPRESS DEFROST pad
4. Ten number pads for time and memory programming
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-21LT only)
8. START pad; touch to operate oven after door
is closed and time is set
9. SET pad for setting memory
10.CHECK pad for checking memory
11.SIGNAL pad for setting signal sound
12.Light Up Dial for setting cooking time
( R-21LC only)
The letters from A to T correspond to cooking
time for convenience.
2
10
9
7
5
1
3
4
6
8
11
2
5
9
6
8
11
4
3
1
10
12
R-21LT R-21LV R-21LC
7
0
10
20
30
40
50
1
1.5
2
2.5
3
4
5
6
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
Your oven can be programmed for up to 6 minutes on HIGH (100%) power. The
cooking time input varies from 10 seconds to 30 seconds depending on the total
length of the cooking time as shown in the table below.
1. Place food on the ceramic shelf and close the door securely.
2. Turn the Light Up Dial to the desired cooking time. Note that the light indicates
the cooking time. Cooking will start immediately.
3. The oven light and the cooling fan will be on throughout any cooking operation.
4. When the Light Up Dial reaches “0” and the audible signal is heard, oven
operation ceases, the light goes out and the fan stops.
NOTE:
• The Light Up Dial can be set to operate the oven within 1 minute after a cooking
cycle ends or after closing the door.
• When the oven door is opened during cooking, the oven stops and any
remaining cooking time is canceled. If necessary, turn the Light Up Dial to the
desired cooking time again.
STEPS FOR OPERATING FOR R-21LC
Item Weight Microwave Procedure
Time
1 minute
2 minutes
2 minutes
3 minutes
1
1
/2 minutes
1
1
/2 minutes
2 minutes
3 minutes
.50 lb.
(225 g)
1.00 lb.
(450 g)
1.00 lb.
(450 g)
1.50 lb.
(675 g)
1.00 lb.
(450 g)
1.00 lb.
(450 g)
1.00 lb.
(450 g)
2.00 lb.
(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. Allow to stand for 5 minutes to
equalize temperatures.
1. Power on 1
1
/2 minutes. Separate and shield, if necessary.
Stand 2 minutes.
2. Power on 1 1/2 minutes. Allow to stand for 5 minutes to
equalize temperatures.
1. Power on 45 seconds. Separate and shield, if necessary.
Stand 2 minutes.
2. Power on 45 seconds. Allow to stand for 5 minutes to
equalize temperatures.
1. Power on 45 seconds. Separate and shield, if necessary.
Stand 2 minutes.
2.
Turn chicken over and rearrange. Power on 45 seconds.
Allow to stand for 3 minutes to equalize temperatures.
1. Power on 1 minute. Separate and shield, if necessary.
Stand 2 minutes.
2. Turn chicken over and rearrange. Power on 1 minute.
Allow to stand for 3 minutes to equalize temperatures.
1. Power on 1 1/2 minutes. Separate and shield, if necessary.
Stand 2 minutes.
2. Turn chicken over and rearrange. Power on 1
1
/2 minutes.
Allow to stand for 3 minutes to equalize temperatures.
Ground Meat
Steaks
3
/4" (1.9 cm)
Chops
Boneless
Chicken Breasts
Chicken Pieces
(with bone)
Cooking time Increment
0 - 1 minute 10 seconds
1 - 3 minutes 15 seconds
3 - 6 minutes 30 seconds
DEFROSTING FROZEN FOODS CHART
8
ON
X2
NO.
X2
MEMORY OPERATION
The R-21LT model has 20 and R-21LV has 10
memory banks which can store cooking programs.
The first ten memory banks have been programmed
previously as follows, but they can be changed. See
page 9.
Memory No.
1
2
3
4
5
6
7
8
9
0
Cook Time
10 sec.
20 sec.
30 sec.
45 sec.
1 min.
1 min. 15 sec.
1 min. 30 sec.
2 min.
2 min. 30 sec.
3 min.
Output Power
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
Information in these memory banks is not lost due to
power interruptions. If the power goes off, the oven
does not need to be reprogrammed. No batteries are
necessary for this type of memory.
Cooking with memory
* Suppose you want to cook by using memory 1,
which was programmed for 10 seconds at 100%.
Procedure Display
Cooking double quantity
with memory
Double quantity means the best time for cooking two
servings or twice the amount programmed in the
memory pad; it is not double the time.
* Suppose you want to cook 2 servings by memory
number 1.
Procedure Display
NO.
X2
After about 1 sec.
ON
After about 1 sec.
NO.
1 Place food in oven.
Touch number pad.
1 Place food in oven.
Tou ch DOU BLE
QUANTITY pad.
2 Touch number pad.
DOUBLE
QUANTITY
1
1
BEFORE OPERATION
* Before operating your new oven, make sure you
read and understand this operation manual completely.
1) Plug in the oven.
The digital display will then show
.
2) You can input the pads only when the door is
closed.
3) Oven light will come on when the oven is operating
or the door is open.
4) The program and the check are canceled when
any pads are not touched for more than 3
minutes.
5) During cooking, except memory cooking, the
oven stops when the door is opened, and the
program is canceled if the START pad is not
touched within 1 minute after the door is closed.
6) The cooking is canceled when the door is
opened during memory cooking.
Note: The “MEMORY” cooking system does not
require the use of the START pad. Memory
pad cannot be used to start the oven if any
program is on display.
If the door is opened during memory cooking,
the program is canceled. To stop the cooking
of a memory pad and then restart, first, touch
the STOP/CLEAR pad, then open the door,
check food, close door and touch START.
If your programmed time is over maximum
time at Double Quantity, you cannot use
Double Quantity for the memory. You can
cook only 1 serving. See page 11.
Note: (For R-21LT)
If you want to cook by using memory 11-20,
touch the desired number pad twice within 1
second.
STEPS FOR OPERATING FOR R-21LT, R-21LV
9
NO.
X2
NO.
NO.
Memory program entry
You can change memory programs for memory
banks. See time cooking on page 11.
R-21LT
Memory banks 20
Cooking stage
Memory NO.1 -10 max. 3 stages
Memory NO. 11-20 max. 2 stages
R-21LV
Memory banks 10
Cooking stage 1 stage
The R-21LV can be programmed only using 100%
power. Follow steps 1,2,3 and 7 below.
Setting time and power level
* Suppose you want to set 4 minutes at 60% for the
1st stage and 2 minutes at 30% for the 2nd stage
for 1 serving in memory 1.(R-21LT)
Note: 1. (For R-21LT)
If you want to set memory 11-20, press
the desired number pad twice.
2. If the cooking time is over the maximum
time, the display will show “EE 9”. See
page 11.
3. At step 1, no audible signal will be heard
when the SET pad is touched the first
time. An audible signal will sound when
the SET pad is touched the second time.
Setting magnification factor
Ovens are shipped with a magnification factor of 1.7
for DOUBLE QUANTITY.
You can change the magnification factor for double
quantity and have it stored in the memory.
* Suppose you want to set the magnification factor to
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 Touch SELECTATIME
pad.
5 Touch NUMBER pads
1,6 and 7.
6 Touch SET pad twice.
Procedure Display
SET
x 2
1
NO.
X2
SELECTATIME
Note: 1. In case you want to change the magnifica-
tion factor it must be set for each
pad
separately.
2. The magnification factor can be set from
0.00 to 9.99.
3. At step 1, no audible signal will be heard
when the SET pad is touched the first time.
An audible signal will sound when the SET
pad is touched the second time.
SET
x 2
X2
X2
DOUBLE
QUANTITY
1
6 7
1 Touch SET pad twice
within 2 sec.
2 Touch number pad.
3 Enter cooking time for
1st stage.
4 Enter power level in
1st stage.
5 Enter cooking time for
2nd stage.
6 Enter power level for
2nd stage.
7 Touch SET pad twice.
Procedure Display
6
1
x 2
SET
SELECTAPOWER
NO.
2
0 0
SELECTATIME
3
SELECTAPOWER
SET
x 2
SELECTATIME
4
0 0
10
CHECK
NO.
X2
CHECK
NO.
CHECK
NO.
NO.
CHECK
NO.
CHECK
CHECK
CHECK
CHECK
1 Touch CHECK
pad.
2 Touch number
pad.
Memory check
You can check the information programmed into
each memory.
Checking time and power level
* Suppose you want to know the information pro-
grammed into memory 1, programmed for 4 minutes
at 60% for the 1st stage and 2 minutes at 30% at
the 2nd stage.
Procedure Display
Checking magnification
* Suppose 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-21LT)
If you want to check memory 11-20, touch
the desired number pad twice within 1
second.
Procedure Display
CHECK
Note: 1. To cancel memory check, touch the CHECK
pad.
2. The magnification factor 1.7 for the DOUBLE
QUANTITY is stored in all memories when
the oven is shipped.
1 Touch CHECK pad.
2 T ouch DOU BLE
QUANTITY pad.
3 Touch number pad.
NO.X2CHECK
X2
CHECK
After about 1 sec.
DOUBLE
QUANTITY
1
1
11
START
Time cooking
R-21LT
Your oven can be programmed for up to 3 cooking
sequences and has 11 preset microwave power
levels.
Cooking sequence Max.3 stages
Microwave power level 0~100%
Cooking time Max. 30 minutes for
each stage.
And total cooking time
is max.30 minutes.
SELECTAPOWER
5
2 Enter power level.
(R-21LT only)
3 Touch START pad.
This model has 11 power levels. Use correct number
pad after touching SELECTAPOWER pad.
100% -
90% 9
80% 8
70% 7
60% 6
50% 5
40% 4
30% 3
20% 2
10% 1
0% 0
Microwave
POWER level Number pads Display
R-21LV
Your oven can be programmed for only one stage on
100% power level with a 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: It is not necessary to touch SELECTAPOWER
pad for 100%. If the cooking time is over the
maximum time, the display will show “EE 9”.
Multiple sequence cooking
(R-21LT only)
*Suppose you want to cook for 4 minutes at 60 % for
1st stage and then contimue to cook for 2 minutes
at 30% for 2nd stage.
1 Enter cooking time in
1st stage.
2. Enter power level in
1st stage.
3. Enter cooking time in
2nd stage.
4. Enter power level in
2nd stage.
5. Touch START pad.
Procedure Display
SELECTATIME
4
0 0
SELECTAPOWER
6
ON
3
SELECTAPOWER
SELECTATIME
2
0 0
12
DEF
ON
DEF
2
3 0
Note: If you do not open the door when an audible
signal sounds, the defrosting cycle will continue
and the defrosting time will count down to 0.
TIPS: Allow foods to stand a few minutes after
defrosting to equalize the temperature for
better cooking results.
Check food after standing. If additional time is
needed, continue to defrost with time cooking.
It is better to defrost with 30% power for R21LT. For R-21LV, it is better to defrost with
Express Defrost continuously.
Foods that are the same thickness throughout
defrost better. If foods have varied thickness,
it may be necessary to shield the thin edges
with small flat pieces of aluminum foil to prevent
overdefrosting.
Express Defrost
Use Express Defrost to defrost meat and poultry
faster and better. Calculate total defrost time from
chart below. Express Defrost can be programmed for
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 T ouch EX PRESS
DEFROST pad.
2 Enter defrosting time.
(Refer to chart below.)
3 Touch START pad.
4 Touch START pad.
START
Midway through the defrosting cycle, CHECK
will light in the display and an audible signal will
be heard. You may open the door, turn food
over and shield any warm portions.
Close the door.
START
Express Defrost Chart
Thickness Time (min./lb.*)Food
less than 1" (2.5 cm)
more than 1" (2.5 cm)
1" (2.5 cm)
less than 1" (2.5 cm)
more than 1" (2.5 cm)
1
/2"–3/4" (1.3-1.9 cm)
3
/4"–1" (1.9-2.5 cm)
1
/2"–3/4" (1.3-1.9 cm)
3
/4"–1" (1.9-2.5 cm)
3–3
1
/2
31/2–4
2
1
/2–3
2
1
/2–3
31/2–4
2
1
/2–3
3–31/2
2–21/2
21/2–3
Beef steak
Lamb chops
Pork chops
Boneless chicken
breasts
Fish steak
*1 lb. = 450 g
13
CHECK
CHECK
NO.
CHECK
CHECK
CHECK
NO.
CHECK
CHECK
Set counter to "0" before using oven for the first
time. See next column.
To check count, touch each pad as indicated
below, after touching CHECK pad twice.
Count of memory Touch each number pad
of memory.
Count of manual Touch SELECTATIME
cooking pad.
Count of Express Touch EXPRESS
Defrost DEFROST pad.
Counter check
To check times used
You can check total times oven, each memory,
manual cooking and Express Defrost were used.
Total count Touch CHECK pad twice.
* Suppose you want to know total times oven and
memory pad 1 were used. In that case the oven
was used 8268 times and the memory 1 was
used 513 times.
To clear the number of times
Each number of times can be cleared 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 times of Express Defrost, touch
EXPRESS DEFROST pad in Step 2 instead of number pad.
4. To clear total times used, skip Step 2.
1 Touch CHECK pad 2
times.Total count will
be displayed.
2 Touch number pad 1
to check total times it
was used.*
3 Touch SET pad.
Procedure Display
CHECK
x 2
1
After about 1 sec.
SET
Note: 1. To cancel counter check, touch CHECK
pad.
2. (FOR R-21LT)
You can know count of memory pads 1 10 only. Memory pads 11 - 20 cannot be
checked.
3. When the maximum count of 9999 is
reached, it will return to 0.
OTHER CONVENIENT
FEATURES
Signal setting
There is a choice of 2 different sounds and no
sound on your oven.
To set signal, touch the SET pad twice within 2
seconds and then touch the SIGNAL pad
continuously until you hear desired tone.
Demonstration mode
To demonstrate, touch SELECTATIME, 0 and
then touch START and hold for 3 seconds.
Cooking operations can now be demonstrated
with no power in the oven. The timer will count
down rapidly.
To cancel, touch SELECTATIME, then 0 and
STOP/ CLEAR.
SERVICE CALL CHECK
Please check the following before calling for service!
Plug the power cord into a three-pronged electric-outlet. (See page 4)
1.
Place one cup of water in a glass measuring cup in the oven and close the door securely.
2.
Operate the oven for one minute on High (100%).
(Put your hand over the back ventilation opening.)
oN seY ?no emoc thgil nevo eht seoD .A
oN seY ?krow naf gnilooc eht seoD .B
C. (For R-21LT or R-21LV) Does the "ON" indicator come on? Yes No
oN seY ?toh retaw eht si ,etunim 1 fo dne eht tA .D
If "NO" is the answer to any of the above questions, please check electrical outlet, fuse and/or circuit
breaker. If they are functioning properly, CONTACT YOUR NEAREST SHARP AUTHORIZED SERVICER.
A microwave oven should never be serviced by a "do-it-yourself" repair person.
NOTE: If time is counting down very rapidly, the demonstration mode may be set. To cancel, unplug the
oven from the electrical outlet and replug.
ERROR MODE
Should the error indicator appear in the readout, follow the instructions:
EE Mode Reason Action Required
EE 9 Maximum time is exceeded Check page 11 in the Operation Manual.
Touch STOP/CLEAR pad and reprogram
correctly.
14
15
Side splash cover (C)
To replace the back splash cover (B), secure
the cover to the oven side walls with two clips
(A) as shown in Fig.1.
To replace the side splash cover (C), insert two
projections of the cover (C) into the holes of the
oven right wall as shown in Fig 2. And secure
the cover to the oven right wall with two clips
(A) as shown in Fig 1.
3) Wipe any grease, spills or spatters on the door
seal surfaces with a soft damp cloth or sponge
so that they do not build up. The door seals
must always be free of grease and spatters so
that the door closes properly.
Door
Wipe the door and window on both sides frequently with a damp cloth to remove any spills or
spatters. Always keep the door seals and seal
surfaces clean so that any grease, spills or spatters are not allowed to build up. Such a build-up
could result in leakage of microwave energy from
the oven.
CARE AND CLEANING
VERY IMPORTANT CAUTIONS
*DO NOT OPERATE the oven without the
splash covers in place.
*DO NOT REMOVE the ceramic shelf from the
oven.
*DO NOT OPERATE the oven without the air
ventilation cover.
*DO NOT USE commercial oven cleaners,
abrasive or harsh 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 the panel until it becomes clean. Avoid the
use of excess water. Do not use any sort of
chemical or abrasive cleaner. To do so may cause
severe damage to the panel and make programming impossible.
Caution for R-21LC:
Take care not to move the Light Up Dial from "0"
during cleaning, or the oven will start as soon as
you close the door.
Oven interior
1) For easy cleaning, wipe any spatters or spills
with a soft damp cloth or sponge at the end of
each day. For heavier spills, use mild soap and
rinse thoroughly with hot water.
2) At least once a week, remove the splash covers
and wash in a mild detergent solution. The
splash covers are located on the back wall near
the top of the oven and on the right side wall.
The covers may be removed easily. Simply
remove four clips (A) as shown in Fig. 1. Then
remove the splash covers from the oven.
Back splash cover (B)
Door
Side
splash
cover (C)
(A)(A)
(A) (A)
Fig.2
Fig.1
16
METAL
1) Frozen Precooked Foods in Foil Containers
When cooking foods in foil containers, the container should be no more than 1/2" (1.3 cm) deep. The
best method to use is, after removing the foil cover, return the metal container to the paper box or
package it came in and place this entire unit in the microwave oven. There must be more food than
metal, and the metal container must not touch the oven walls.
2) Metal Skewers
Small metal skewers may be used if there is a large proportion of food to the amount of metal. If arcing
does begin, stop the oven, remove the food and change to a wooden skewer.
Whenever using metal foil, foil containers or metal skewers, be sure that the metal does not touch the
sides of the oven.
GLASS, GLASS-CERAMIC, CERAMIC AND CHINA UTENSILS
Most glass, glass ceramic, ceramic and china utensils are excellent for use in microwave ovens. Heatresistant glassware, unless it has metallic trim or metal portions, can almost always be used in the
microwave oven, no matter whether it is clear or opaque. However, you must be careful not to use delicate
glassware since it might crack from the heat of the food but not from the microwaves.
Most dinner plates, unless they have metallic trim, are acceptable for heating foods.
Utensils with metallic trim or metal parts, such as screws, bands, handles, etc. must be avoided. Cracked
or crazed glazes or chips are also indications that a dish should not be used. Ceramic mugs or cups with
glued on handles are also not recommended for use in a microwave oven.
PAPER GOODS
For low heat cooking, such as reheating or very short cooking times and for foods with low fat, sugar or
water content, paper is a good utensil for microwave oven use. Napkins, towels, plates, cups, cartons,
paper freezer wrap and the paper pulp board that some meats come packed in are also convenient utensils
for use in the 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
use paper towels, plates or other utensils made from recycled paper. Recycled paper products may
contain certain impurities which could cause the paper to ignite during microwave heating. Some paper
products may contain harmful substances.
PLASTIC AND FOAM UTENSILS
Plastic and foam dishes and containers should not be used for cooking foods with high fat or high sugar
content since the heat of the food is too hot for the plastic and may cause it to melt or lose its shape. Cooking
pouches designed to withstand boiling and freezing for conventional cooking, work well in the microwave
oven. Do not close plastic cooking pouches with the metal tie wraps provided, since they get very hot and
will melt the plastic wrap. Any closed pouch or cooking container should be pierced so that steam is
allowed to escape. Do not attempt to cook in plastic storage bags as they will not withstand the heat of
the food. Plastic wrap may be used to cover foods during cooking. Stretch-type plastic wraps are not
suitable for use in the microwave oven because they form too tight a seal. Whenever removing plastic wrap
that has been tightly formed around the utensil, just lift the plastic away from you so that the steam can
vent and there will be no danger of scalding.
Melamine is not recommended for use in the microwave oven.
WICKER, WOOD AND STRAW
Wicker, wood and straw may be used in the oven for short periods of time; however, they should not be
used for high fat or high sugar content foods since the heat of the food could possibly char the utensil.
Wooden handle scrapers, spatulas and spoons may be left in the microwave oven during the cooking
process.
Utensils
COOKING GUIDE
17
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
18
Casseroles
1. Arrange casseroles with larger pieces or bulk of food around the perimeter of the casserole; depress
in center.
2. Casseroles should be heated covered with a non-metallic cover or plastic wrap except casserole
with crusts. If tightly covered, puncture plastic wrap or loosen at one corner so steam can escape.
Be careful when removing plastic wrap; pull wrap away from you with the tines of a fork.
3. Cover casseroles evenly with sauce or gravy before refrigerating.
Vegetables
1. Arrange vegetables with larger pieces around the perimeter of the dish; depress in center.
2. Small uniform sized vegetables like peas, diced carrots and corn heat easily in the microwave oven.
A butter sauce will speed the process.
3. Heat vegetables covered with either a non-metallic cover or plastic wrap. If tightly covered, puncture
plastic wrap or loosen at one corner so steam can escape. Be careful when removing plastic wrap;
pull wrap away from you with the tines of a fork.
4. Most vegetables should be slightly undercooked when preparing for later reheating in the microwave. Cool quickly and store covered.
5. Microwaved vegetables retain their bright color, flavor and nutrients.
Defrosting
(For R-21LT, R-21LV)
1. See page 12 for EXPRESS DEFROST directions.
2. Avoid over-defrosting. Foods should be removed from the microwave when they are still slightly icy
in the center. Allow foods to stand covered for 1 to 2 minutes to complete defrosting.
3. (For R-21LT) SELECTAPOWER allows you to defrost food at the power level and speed you choose.
Generally defrosting is done at 30% or lower. To use SELECTAPOWER for defrosting, first program
time followed by touching the SELECTAPOWER pad and the number pad for percentage of power
level (for example, 3 represents 30% power). The microwave power will pulse on and off to defrost
frozen foods gently without heating.
(For R-21LC)
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 heating with time rather than temperature, it is helpful to know
the starting temperatures of the foods. Foods held at room temperature will heat more quickly than
refrigerated foods.
3. The different chemical makeups of foods affect the heating times. Highly salted foods heat faster
than non-cured items. Animal fats heat more quickly than lean parts of meat. Fats in a colloidal state
heat faster than protein (egg yolk cooks before the white).
4. The density of a food is determined by how compact the molecules are arranged within the food. A
pound of roast beef is denser than a pound of bread. Even though they weigh the same, the bread
contains more air and is therefore less dense. Denser foods require longer heating times.
5. The thicker the food, the longer the heating time. If two foods have the same density, the thinner food
will heat before the thicker one.
6. The shape of the food also affects the heating time. Low round foods that are depressed in the center
heat faster than highly mounded scooped foods. This has to do again with the density. The denser
the mass to be heated, the longer the heating time.
7. The more food placed in the oven cavity at one time, the longer the heating time. This is because
there is a constant level of energy coming from the magnetron tube during the heating process. If
there are several food items in the oven, they will each absorb some of the energy thus making the
total heating time longer. The time required for heating is not directly proportional to the increased
amount of food. The heating time should be increased by about 80% for each additional like food
item.
Timing guide
19
Heating and cooking time guide
Quantity Item Comment:
Pastries, Rolls and Baked Goods
2 Biscuit 12 Heat, uncovered, from room temperature
1 Bun 8 Heat, uncovered, from room temperature
1 Danish Pastry 10 Heat, uncovered, from room temperature
1 Dinner, Roll 8 Heat, uncovered, from room temperature
1 Doughnut 10 Heat, uncovered, from room temperature
1 Muffin (small) 10 Heat, uncovered, from room temperature
1 slice Pie 30 Heat, uncovered, from refrigerated temp.
1 Sweet Roll 10 Heat, uncovered, from room temperature
Breakfast Items
8 oz. (225 g) French Toast & Bacon 70-80 Heat, uncovered, from refrig.
8 oz. (225 g) French Toast & Sausage 70-80 Heat, uncovered, from refrig.
6 oz. (170 g) Pancakes & Bacon 40-50 Heat, uncovered, from refrig.
6 oz. (170 g) Pancakes & Sausage 40-50 Heat, uncovered, from refrig.
5 oz. (140 g) Scrambled Eggs & Bacon 40-50 Heat, covered, from refrig.
5 oz. (140 g) Scrambled Eggs & Sausage 40-50 Heat, covered, from refrig.
4 strips Bacon 40-50 Heat, covered, from refrig.
4 links Sausage 40-50 Heat, covered, from refrig.
Sandwiches
4-5 oz. (115-140 g) Bacon & Tomato 30-40 Heat, uncovered, from refrig.
4-5 oz. (115-140 g) Beef Barbecue 30-40 Heat, uncovered, from refrig.
4-5 oz. (115-140 g) Burger 30-40 Heat, uncovered, from refrig.
4-5 oz. (115-140 g) Cheeseburger 40-50 Heat, uncovered, from refrig.
4-5 oz. (115-140 g) Corned Beef 40-50 Heat, uncovered, from refrig.
2 oz. (55 g) Frankfurter 20-30 Heat, uncovered, from refrig.
5 oz. (140 g) Jumbo Frankfurter 30-40 Heat, uncovered, from refrig.
3
1
/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.
4-5 oz. (115-140 g) Submarine/Hoagie 40-50 Heat, uncovered, from refrig.
5 oz. (140 g) Chili Burger 40-50 Heat, covered, from refrig.
4 oz. (115 g) Chili Dog 30-40 Heat, covered, from refrig.
4 oz. (115 g) Sloppy Joe 30-40 Heat, covered, from refrig.
Casseroles
8 oz. (225 g) Baked Beans 90-100 Heat, covered, from refrig. Stir after reheat.
8 oz. (225 g) Beef Burgundy 110-120 Heat, covered, from refrig. Stir after reheat.
8 oz. (225 g) Beef Goulash 90-100 Heat, covered, from refrig. Stir after reheat.
8 oz. (225 g) Beef Stew 110-120 Heat, covered, from refrig. Stir after reheat.
8 oz. (225 g) Beef Slices with Gravy 90-100 Heat, covered, from refrig.
8 oz. (225 g) Cabbage Rolls 100-110 Heat, covered, from refrig.
8 oz. (225 g) Chicken Fricassee 90-100 Heat, covered, from refrig.
8 oz. (225 g) Chicken a la King 90-100 Heat, covered, from refrig. Stir after reheat.
8 oz. (225 g) Chili Con Carne 90-100 Heat, covered, from refrig. Stir after reheat.
8 oz. (225 g) Creamed Chicken 90-100 Heat, covered, from refrig. Stir after reheat.
8 oz. (225 g) Lasagna 110-120 Heat, covered, from refrig.
8 oz. (225 g) Meat Loaf 110-120 Heat, covered, from refrig.
8 oz. (225 g) Macaroni (beef sauce) 90-100 Heat, covered, from refrig. Stir after reheat.
Approximate
Heating Time
100% Power (seconds)
20
Heating and Cooking Time Guide Con’t
Quantity Item Comment:
8 oz. (225 g) Macaroni (cheese sauce) 70-80 Heat, covered, from refrig. Stir after reheat.
8 oz. (225 g) Stuffed Peppers 100-110 Heat, covered, from refrig.
8 oz. (225 g) Pot Pie 100-110 Heat, covered, from refrig.
8 oz. (225 g) Ravioli 100-110 Heat, covered, from refrig.
8 oz. (225 g) Shrimp Creole 80-90 Heat, covered, from refrig.
8 oz. (225 g) Shrimp Newburg 80-90 Heat, covered, from refrig.
8 oz. (225 g) Short Ribs of Beef 100-110 Heat, covered, from refrig.
8 oz. (225 g) Spaghetti 80-90 Heat, covered, from refrig.
8 oz. (225 g) Stew, Chicken 100-110 Heat, covered, from refrig.
8 oz. (225 g) Tuna Casserole 100-110 Heat, covered, from refrig.
8 oz. (225 g) Turkey Slices 90-100 Heat, covered, from refrig.
Vegetables
4 oz. (115 g) Asparagus 40-50 Heat, covered, from refrig.
4 oz. (115 g) Beans, Green 40-50 Heat, covered, from refrig.
4 oz. (115 g) Broccoli 40-50 Heat, covered, from refrig.
4 oz. (115 g) Carrot Slices 40-50 Heat, covered, from refrig.
4 oz. (115 g) Cauliflower 40-50 Heat, covered, from refrig.
4 oz. (115 g) Corn Niblets 40-50 Heat, covered, from refrig.
4 oz. (115 g) Mushrooms 30-40 Heat, covered, from refrig.
4 oz. (115 g) Peas 30-40 Heat, covered, from refrig.
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 2-2
1
/2 min. Heat, covered, from refrig.
1 large Plated Meal 2
1
/2 -31/2 min. Heat, covered, from refrig.
Primary Cooking
4 slices Bacon 21/2 -3 min. Cook between paper towels.
1 pound (450 g) Bacon (precook to reheat) 8-10 min. Cook between paper towels.
2 Scrambled Eggs 50-60 sec. Stir during cooking.
12 Scrambled Eggs 41/2 -5 min. Stir during cooking.
(precook to reheat)
1 ear Corn on the Cob 2-2
1
/2 min. Cover, turn over during cooking.
1 medium Potato 3
1
/2 -4 min. Wash, dry, prick.
2 medium Potatoes 7-8 min. Cook on paper towel. Stand.
40 oz. (1.1 kg) Frozen Broccoli Pieces 14-16 min. Rearrange during cooking.
24 oz. (675 g) Frozen Broccoli Spears 7-9 min. Rearrange during cooking.
96 oz. (2.7 kg) Refrigerated Lasagna (R-21LV) Cover with lid for first half of
15 min. cooking time. Uncover for
at 100 % second half of cooking time.
(R-21LT) After cooking, allow to stand,
10 min. covered, for least 5 minutes
at 100 % to make cutting and serving
+ easier.
17 min.
at 50%
Approximate
Heating Time
100% Power(seconds)
Approximate
Heating Time
100% Power
21
1. Do not operate the oven empty. Either food or water should always be in the oven during operation
to absorb microwave energy.
2. Limit use of metal to those specific examples given in this booklet. Generally, metal should not be used
in the microwave oven during operation.
3. Do not heat eggs in the shell. Pressure will build up inside the shell and it will explode. Do not reheat
cooked eggs unless they are scrambled or chopped. Puncture the yolk before heating eggs.
4. Do not heat oil or fat for deep fat frying.
5. Pierce the “skin” of potatoes, whole squash, apples or any fruit, vegetable or meat with a skin covering
before heating.
6. Use only popcorn packaged in special microwavable packages. Pop using 100% power. Listen
carefully when popping corn. When popping slows to one or two seconds between pops, remove from
oven. Should you ever smell scorching, remove bag from oven immediately.If any unpopped kernels
remain, do not try to re-pop; it may cause a fire.
7. Do not use paper towels, 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
1000W
2450 MHz
AC Line Voltage
AC Power Required
Output Power
Frequency
Outside Dimensions
Cavity Dimensions
Weight
★
201/2"(W) x 16"(D) x 121/8"(H)
520mm(W) x 406mm(D) x 309mm(H)
(including feet)
137/8"(W) x 145/8"(D) x 81/8"(H)
353mm(W) x 370mm(D) x 207mm(H)
Approx. 37 lbs./17 kg
★
IEC Test Procedure
The International Electrotechnical Commission’s standardized method for measuring output wattage.
This test method is widely recognized.
In Compliance with Standards set by
FCC – Federal Communications Commission Authorized.
DHHS – Complies with Department of Health and Human Services (DHHS) rule, CFR,
Title 21 Chapter I, Subchapter J.
– This symbol on the nameplate means the product is certified by
NSF International (NSF-4).
– This symbol on the nameplate means the product is listed by
Underwriters Laboratories, Inc.
®
®
22
AUTO-TOUCH GUIDE for R-21LT, R-21LV
For more complete information and safety precautions, refer to your Operation Manual.
MEMORY CHECK
Suppose you want to know
the information programmed
into the memory.
1. Touch CHECK pad.
2. Touch number
pad
1
.
MULTIPLE SEQUENCE
COOKING
(R-21LT)
Suppose you want to cook for
4 minutes at 60% and then
continue to cook for 2 minutes at 30%.
1. Enter cooking time for 1
stage.
2. Enter power level for 1st
stage.
3. Enter cooking time for
2nd stage.
4. Enter power level for 2nd
stage.
5. Touch START pad.
COUNTER CHECK
1. Touch CHECK pad 2
times.
Total count will be displayed.
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
To clear the number of 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 the checking mode.
1
4
0 0
SELECTATIME
6
SELECTAPOWER
SELECTATIME
2
0 0
SELECTAPOWER
3
START
USER GUIDE for R-21LC
OPERATION
1. Set the Light Up Dial for the appropriate cooking time at 100%
power.
The oven will start cooking immediately.
To stop the oven,open the door or turn the Light Up Dial to “0”.
0
10
20
30
40
50
1
1.5
2
2.5
3
4
5
6
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
23
TIME COOKING
Suppose you want to cook
for 2 minutes and 30 seconds at 50%.
1. Touch SELECTATIME
2. Enter cooking time.
3. Touch
SELECTAPOWER
(For R-21LT only)
4. Enter power level.
(For R-21LT only)
5. Touch START pad.
EXPRESS DEFROST
Suppose you want to defrost
for 3 minutes and 30 seconds.
1. Touch EXPRESS
DEFROST pad.
2. Enter desired defrost
time.
(Refer to Express Defrost
Chart on page 12.)
3. Touch START pad.
4. Midway through the
defrosting cycle, CHECK
will light in the display
and an audible signal
will be heard.
You may open the door,
turn food over and shield
any warm portions Close
the door.
5. Touch START pad.
AUTO-TOUCH GUIDE for R-21LT, R-21LV
For more complete information and safety precautions, refer to your Operation Manual.
COOK WITH MEMORY
Suppose you want to cook
using memory.
1. Touch number pad
1
.
(For R-21LT 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 QUANTITY 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 the
memory 1.
1. Touch SET pad 2 times
within 2 seconds.
2. Touch number pad
1
.
3. Enter cooking time.
4. Enter power level.
5. Touch SET pad 2 times.
1
1
DOUBLE
QUANTITY
SET
X 2
1
SET
X 2
SELECTATIME
4
0 0
SELECTAPOWER
6
SELECTATIME
START
3
3 0
EXPRESS
DEFROST
START
5
SELECTAPOWER
2
3 0
START
®
SHARP ELECTRONICS CORPORATION
Sharp Plaza, Mahwah, New Jersey 074
95–1163
20
16
16
If you do not open
the door when an
audible signal
sounds, the
defrosting cycle will
continue and the
defrosting time will
count down to 0.
TINSEB126WRRZ-D63 Printed in Thailand
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