Sharp Microwave Oven R 21JCA User Manual

®
1000 WATTS-LIGHT DUTY  
COMMERCIAL MICROWAVE OVEN  
MODELS R-21HT, R-21HV, R-21JV, R-21JCA  
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)  
United States ..................................... 1-800-BE-SHARP(237-4277)  
ADDITIONAL  
CUSTOMER INFORMATION............................................... 201-529-8706  
TO WRITE:  
For additional information:  
Commercial Microwave Oven Department  
Sharp Electronics Corporation  
Sharp Plaza, Box 650  
Mahwah, NJ 07430-2135  
For service problems, warranty information, missing items and other assistance:  
Sharp Electronics Corporation  
Customer Assistance Center  
1300 Naperville Drive  
Romeoville, IL 60446-1091  
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:  
WWW.sharp-usa.com  
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LIMITED WARRANTY  
END-USER LIMITED WARRANTY  
SHARP ELECTRONICS CORPORATION warrants to the first end-user purchaser that this Sharp brand  
product (the "Product"), when shipped in its original container, 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 there of with a new or remanufactured equivalent at no charge to the purchaser for parts or labor  
for the period(s) set forth below.  
ThiswarrantydoesnotapplytoanyappearanceitemsoftheProductnortotheadditionalexcludeditem(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 modified in design or construction.  
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. Specifically, 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.  
Neither the sales personnel of the seller nor any other person is authorized to make any warranties other  
thanthosedescribedherein, or toextendthedurationofanywarrantiesbeyondthetimeperioddescribed  
herein on behalf of Sharp.  
The warranties described above shall be the sole and exclusive warranties granted by Sharp and shall  
be the sole and exclusive remedy available to the purchaser. Correction of defects, in the manner and for  
theperiodoftimedescribedherein, shallconstitutecompletefulfillmentofallliabilitiesandresponsibilities  
of Sharp to the purchaser with respect to the Product, and shall constitute full satisfaction of all claims,  
whether based on contract, negligence, 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.  
R-21HT, R-21HV, R-21JV or R-21JCA  
Commercial Microwave Oven  
Your Product Model Number & Description:  
(Be sure to have this information available when you  
need service for your oven.)  
R-21HT: Three (3) years for parts and labor in the end  
user's place of business  
Warranty Period for this Product:  
R-21HV, R-21JV or R-21JCA: One (1) year for 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.  
Additional Item(s) Excluded from  
Warranty Coverage (if any):  
Non-functional accessories and light bulb.  
Contract your Sharp Authorized Servicer to obtain on-  
site service for this Product. The 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.  
Where to Obtain Service:  
TO OBTAIN SUPPLY, ACCESSORY OR PRODUCT INFORMATION, CALL 1-800-BE-SHARP.  
Save the proof of purchase as it is needed should your oven ever require warranty service.  
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2
IMPORTANT SAFETY INSTRUCTIONS  
When using electrical appliances basic safety precautions should be followed, including the following:  
WARNING-Toreducetheriskofburns, electricshock, fire, injurytopersonsorexposuretoexcessive  
microwave energy:  
1. Read all instructions before using the appliance.  
2. Read and follow the specific PRECAUTIONS TO AVOID POSSIBLE  
EXPOSURE TO EXCESSIVE MICROWAVE ENERGYon page 1.  
3. This appliance must be grounded. Connect only to properly grounded outlet.  
See GROUNDING INSTRUCTIONSon 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. Usethisapplianceonlyforitsintendeduseasdescribedinthismanual.Donotusecorrosivechemicals  
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 utensi linto the container.  
19.If the oven light fails, consult a SHARP AUTHORIZED SERVICER.  
SAVE THESE INSTRUCTIONS  
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3
GROUNDING INSTRUCTIONS  
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 recep-  
tacle.  
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.  
INSTALLATION  
Because your Sharp Commercial Microwave Oven will be used fre-  
quently, 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 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.  
71/8  
"
4. The unit may be secured to a countertop or stand. There is a screw  
holeinthebottomoftheunit.Aftertheovenispermanentlyplaced,drill  
a hole through the counter top for a 3/16 inch self-tapping screw. The  
hole should be 1 inch from the left side of the outer case cabinet and  
7-1/8 inches back from the front edge of the cavity face plate.  
Hole  
1"  
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4
PART NAMES  
MICROWAVE OVEN PARTS  
1. Back splash cover  
2. Side splash cover  
3. Oven light  
9. Door hinges  
10.Door seals and sealing surfaces  
11.Door handle  
4. Ceramic shelf  
5. Control panel  
6. Cavity face plate  
7. Door latch openings  
8. Door latches  
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  
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5
PART NAMES  
CONTROL PANEL  
1
1
3
ON DEF NO. X2 CHECK  
ON DEF NO. X2 CHECK  
TIME GUIDE FOR ONE SERVING  
10 - 30 sec.  
Bagel, Roll  
Muffin, Pastry  
Pie Slice  
30 - 60 sec.  
Hot Dog  
Pizza Slice  
Small Sandwich  
2
3
4
2
1 - 2 min.  
2 - 3 min.  
Beverage, Soup  
Large Sandwich  
Popcorn, 1.5 oz.  
Casserole, Stew  
Chili, Chowder  
Popcorn, 3.5 oz.  
1
50  
40  
E
1.5  
G
F
30  
D
H
I
C
20  
4
2
K
B
J
10  
A
12  
L
2.5  
0
M
N 3  
O
T
P
S
Q
R
4
6
5
INSTRUCTIONS  
With the door closed,turn the timer to  
the desired time. Oven will begin  
operating immediately.  
6
8
5
7
6
8
5
To shut oven off manually,return timer  
to "0".  
9
10  
11 9  
10  
11  
R-21HT  
R-21HV/JV  
R-21JCA  
1. Digital readout  
2. DOUBLE QUANTITY pad  
3. EXPRESS DEFROST pad  
4. Ten number pads for time and memory pro-  
gramming  
12.Light Up Dial for setting cooking time  
( R-21JCA only)  
The letters from A to T correspond to cooking  
time for convenience.  
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-21HT 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  
Accessory for R-21HT, R-21HV/JV : Menu labels  
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6
STEPS FOR OPERATING FOR R-21JCA  
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
50  
40  
1.5  
F
E
G
30  
D
H
C
I
20  
2
Cooking time  
0 - 1 minute  
1 - 3 minutes  
3 - 6 minutes  
Increment  
10 seconds  
15 seconds  
30 seconds  
B
J
10  
A
K
L
2.5  
0
M
N 3  
O
P
T
S
Q
R
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.  
4
6
5
3. The oven light and the cooling fan will be on throughout any cooking operation.  
4. When the Light Up Dial reaches 0and 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 you open the oven door during the cooking, the microwave activity stops  
and the cooking program will be canceled. If necessary, turn the Light Up Dial  
to the desired cooking time again.  
DEFROSTING FROZEN FOODS CHART  
Item  
Weight  
Microwave  
Time  
Procedure  
Ground Meat  
.50 lb.  
1 minute 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.  
2 minutes 1. Power on 1 minute. Break apart and remove defrosted  
pieces. Stand 2 minutes.  
1.00 lb.  
2. Power on 1 minute. Allow to stand for 5 minutes to  
equalize temperatures.  
Steaks (3/4”)  
1.00 lb.  
1.50 lb.  
2 minutes 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.  
3 minutes 1. Poweron11/2 minutes.Separateandshield,ifnecessary.  
Stand 2 minutes.  
2. Power on 1 1/2 minutes. Allow to stand for 5 minutes to  
equalize temperatures.  
1.00 lb.  
1.00 lb.  
1 1/2 minutes 1. Poweron45seconds.Separateandshield,ifnecessary.  
Chops  
Stand 2 minutes.  
2. Power on 45 seconds. Allow to stand for 5 minutes to  
equalize temperatures.  
1 1/2 minutes 1. Poweron45seconds.Separateandshield,ifnecessary.  
Boneless  
Chicken Breasts  
Stand 2 minutes.  
2. Turn chicken over and rearrange. Power on 45 seconds.  
Allow to stand for 3 minutes to equalize temperatures.  
1.00 lb.  
2.00 lb.  
2 minutes 1. Power on 1 minute. Separate and shield, if necessary.  
Stand 2 minutes.  
Chicken Pieces  
(with bone)  
2. Turn chicken over and rearrange. Power on 1 minute.  
Allow to stand for 3 minutes to equalize temperatures.  
1. Poweron11/2 minutes.Separateandshield,ifnecessary.  
Stand 2 minutes.  
3 minutes  
2. Turnchickenoverandrearrange.Poweron11/2 minutes.  
Allow to stand for 3 minutes to equalize temperatures.  
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7
STEPS FOR OPERATING FOR R-21HT, R-21HV, R-21JC  
BEFORE OPERATION  
*
Before operating your new oven, make sure you  
read and understand this operation manual com-  
pletely.  
4) The program and the check are canceled when  
any pads are not touched for more than 3  
minutes.  
1) Plug in the oven.  
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  
touchedwithin1minuteafterthedoorisclosed.  
6) The cooking is canceled when the door is  
opened during memory cooking.  
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.  
.
MEMORY OPERATION  
Cooking double quantity  
with memory  
The R-21HT model has 20 and R-21HV or R-21JV  
models have 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.  
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.  
Memory No.  
Cook Time  
Output Power  
1
2
3
4
5
6
7
8
9
0
10 sec.  
20 sec.  
30 sec.  
45 sec.  
1 min.  
100%  
100%  
100%  
100%  
100%  
100%  
100%  
100%  
100%  
100%  
Procedure  
Display  
DOUBLE  
QUANTITY  
1 Place food in oven.  
NO. X2  
Touch  
DOUBLE  
1 min. 15 sec.  
1 min. 30 sec.  
2 min.  
2 min. 30 sec.  
3 min.  
QUANTITY pad.  
1
NO. X2  
2 Touch number pad.  
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.  
After about 1 sec.  
ON  
X2  
Cooking with memory  
Note: The MEMORYcooking 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.  
* Suppose you want to cook by using memory 1,  
which was programmed for 10 seconds at 100%.  
Procedure  
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.  
1
1 Place food in oven.  
Touch number pad.  
NO.  
After about 1 sec.  
ON  
Note: (For R-21HT)  
If you want to cook by using memory 11-20,  
touch the desired number pad twice within 1  
second.  
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8
Note: 1. (For R-21HT)  
If you want to set memory 11-20, press  
Memory program entry  
You can change memory programs for memory  
banks. See time cooking on page 11.  
the desired number pad twice.  
2. If the cooking time is over the maximum  
time, the display will show EE 9. See  
page 11.  
R-21HT  
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.  
Memory banks  
Cooking stage  
20  
Memory NO.1 -10 max. 3 stages  
Memory NO. 11-20 max. 2 stages  
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.  
R-21HV/JV  
Memory banks  
Cooking stage  
10  
1 stage  
The R-21HV or R-21JV ovens can be programmed  
only using 100% power. Follow steps 1,2,3 and 7  
below.  
* Supposeyouwanttosetthemagnificationfactorto  
1.67 for double quantity in memory 1.  
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-21HT)  
Procedure  
x 2  
Display  
SET  
1 Touch SET pad twice  
within 2 sec.  
NO.  
Procedure  
Display  
DOUBLE  
QUANTITY  
SET  
x 2  
2 Touch DOUBLE  
QUANTITY pad.  
NO.  
X2  
1 Touch SET pad twice  
within 2 sec.  
NO.  
1
1
NO. X2  
3 Touch number pad 1.  
NO.  
2 Touch number pad.  
SELECTATIME  
SELECTATIME  
4 TouchSELECTATIME  
pad.  
X2  
4 0 0  
3 Entercookingtimefor  
1st stage.  
1 6 7  
5 Touch NUMBER pads  
1,6 and 7.  
SELECTAPOWER  
X2  
6
4 Enter power level in  
1st stage.  
x 2  
6 Touch SET pad twice.  
SET  
SELECTATIME  
2 0 0  
5 Entercookingtime for  
2nd stage.  
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.  
SELECTAPOWER  
3
6 Enter power level for  
2nd stage.  
x 2  
7 TouchSETpad twice.  
SET  
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9
Checking magnification  
* Suppose you want to know the magnification fac-  
tor for double quantity in memory 1.  
Memory check  
You can check the information programmed into  
each memory.  
Procedure  
Display  
Checking time and power level  
* Suppose you want to know the information pro-  
grammedintomemory1,programmedfor4minutes  
at 60% for the 1st stage and 2 minutes at 30% at  
the 2nd stage.  
CHECK  
1 Touch CHECK pad.  
NO.  
CHECK  
DOUBLE  
QUANTITY  
Procedure  
Display  
NO. X2 CHECK  
2 Touch  
DOUBLE  
CHECK  
QUANTITY pad.  
1 Touch CHECK  
pad.  
NO.  
CHECK  
1
1
2 Touch number  
pad.  
NO. X2 CHECK  
3 Touch number pad.  
NO.  
CHECK  
After about 1 sec.  
After about 1 sec.  
X2 CHECK  
CHECK  
Note: 1. Tocancelmemorycheck,touchtheCHECK  
pad.  
2. Themagnificationfactor1.7fortheDOUBLE  
QUANTITY is stored in all memories when  
the oven is shipped.  
CHECK  
CHECK  
CHECK  
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-21HT)  
If you want to check memory 11-20, touch  
the desired number pad twice within 1  
second.  
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10  
MANUAL OPERATIONS  
Time cooking  
R-21HT  
R-21HV, R-21JV  
Yourovencanbeprogrammedforonlyonestageon  
100% power level with a maximum of 30 minutes.  
Follow steps 1 and 3.  
Your oven can be programmed for up to 3 cooking  
sequences and has 11 preset microwave power  
levels.  
Cooking sequence  
Microwave power level 0~100%  
Cooking time Max. 30 minutes for  
Max.3 stages  
Cooking sequence  
1 stage  
Microwave power level 100% only  
Cooking time  
Max. 30 minutes  
each stage.  
And total cooking time  
is max.30 minutes.  
This model has 11 power levels. Use correct number  
pad after touching SELECTAPOWER pad.  
Multiple sequence cooking  
(R-21HT only)  
Microwave  
POWER level  
*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.  
Number pads Display  
100%  
90%  
80%  
70%  
60%  
50%  
40%  
30%  
20%  
10%  
0%  
-
9
8
7
6
5
4
3
2
1
0
Procedure  
SELECTATIME  
Display  
4 0 0  
1 Enter cooking time in  
1st stage.  
SELECTAPOWER  
6
2. Enter power level in  
1st stage.  
* Suppose you want to cook for 2 minutes and 30  
seconds at 50%.  
SELECTATIME  
2 0 0  
Procedure  
Display  
3. Enter cooking time in  
2nd stage.  
SELECTATIME  
SELECTAPOWER  
3
2 3 0  
4. Enter power level in  
2nd stage.  
1 Enter cooking time.  
START  
SELECTAPOWER  
5
5. Touch START pad.  
ON  
2 Enter power level.  
(R-21HT only)  
START  
3 Touch START pad.  
ON  
Note: ItisnotnecessarytotouchSELECTAPOWER  
pad for 100%. If the cooking time is over the  
maximum time, the display will show EE 9.  
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11  
Express Defrost  
Use Express Defrost to defrost meat and poultry  
faster and better. Calculate total defrost time from  
chartbelow.ExpressDefrostcanbeprogrammedfor  
a maximum of 90 minutes.  
Note: If you do not open the door when an audible  
signalsounds,thedefrostingcyclewillcontinue  
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.  
* Suppose you want to defrost one pound of lamb  
chops for 2 minutes and 30 seconds.  
Check food after standing. If additional time is  
needed,continuetodefrostwithtimecooking.  
It is better to defrost with 30% power for R-  
21HT. For R-21HV or R-21JV, it is better to  
defrost with Express Defrost continuously.  
Procedure  
Display  
EXPRESS  
DEFROST  
1 Touch EXPRESS  
DEFROST pad.  
Foodsthatarethesamethicknessthroughout  
defrost better. If foods have varied thickness,  
it may be necessary to shield the thin edges  
withsmallflatpiecesofaluminumfoiltoprevent  
overdefrosting.  
DEF  
2 3 0  
2 Enterdefrostingtime.  
(Refer to chart be-  
low.)  
DEF  
START  
ON DEF  
3 Touch START pad.  
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  
4 Touch START pad.  
Express Defrost Chart  
Food  
Thickness  
Time (min./lb.)  
Beef steak  
less than 1"  
more than 1"  
331/2  
31/24  
21/23  
Lamb chops  
Pork chops  
1"  
21/23  
less than 1"  
more than 1"  
1
31/24  
Boneless chicken  
breasts  
21/23  
/
/
2"3/4  
"
331/2  
3
4"1"  
Fish steak  
221/2  
1
/
/
2"3/4  
"
4"1"  
21/23  
3
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12  
To clear the number of times  
Counter check  
Set counter to "0" before using oven for the first  
time. See next column.  
Each number of times can be cleared by touching  
SET pad during checking mode.  
To check times used  
* Suppose you want to clear the times of  
memory 1.  
You can check total times oven, each memory,  
manual cooking and Express Defrost were used.  
Procedure  
Display  
Total count  
Touch CHECK pad twice.  
x 2  
CHECK  
1 Touch CHECK pad 2  
times.Total count will  
be displayed.  
To check count, touch each pad as indicated  
below, after touching CHECK pad twice.  
CHECK  
Count of memory Touch each number pad  
1
of memory.  
NO.  
CHECK  
2 Touch number pad 1  
to check total times it  
was used.*  
Count of manual  
cooking  
Touch SELECTATIME  
pad.  
After about 1 sec.  
Count of Express Touch EXPRESS  
Defrost DEFROST pad.  
CHECK  
SET  
* 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.  
3 Touch SET pad.  
CHECK  
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.  
Procedure  
Display  
CHECK  
x 2  
3. To clear times of Express Defrost, touch  
EXPRESS DEFROST pad in Step 2 in-  
stead of number pad.  
1 Touch CHECK pad 2  
times.Total count will  
be displayed.  
CHECK  
4. To clear total times used, skip Step 2.  
1
NO.  
CHECK  
2 Touch number pad 1  
to check total times it  
was used.  
After about 1 sec.  
CHECK  
Note: 1. To cancel counter check, touch CHECK  
pad.  
2. (FOR R-21HT)  
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.  
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13  
OTHER CONVENIENT FEATURES  
Signal setting  
Demonstration mode  
Thereisachoiceof2differentsoundsandnosound  
on your oven.  
To demonstrate,touch SELECTATIME, 0 and then  
touch START and hold for 3 seconds.Cooking  
operationscannowbedemonstratedwithnopower  
in the oven. The timer will count down rapidly.  
To set signal, touch the SET pad twice within 2  
secondsandthentouchtheSIGNALpadcontinuously  
until you hear desired tone.  
Tocancel,touchSELECTATIME,then0andSTOP/  
CLEAR.  
SERVICE CALL CHECK  
Please check the following before calling for service!  
1. Plug the power cord into a three-pronged electric-outlet. (See page 4)  
2. Place one cup of water in a glass measure in the oven and close the door securely.  
Operate the oven for one minute on High (100%).  
A. Does the oven light come on?  
Yes _______ No _______  
Yes _______ No _______  
B. Does the cooling fan work?  
(Put your hand over the back ventilation opening.)  
C. (For R-21HT, R-21HV or R-21JV) Does the "ON" indicator come on? Yes _______ No _______  
D. At the end of 1 minute, is the water hot? Yes _______ No _______  
If "NO" is the answer to any of the above questions, please check electrical outlet, fuse and/or circuit  
breaker.Iftheyarefunctioningproperly,CONTACTYOURNEARESTSHARPAUTHORIZEDSERVICER.  
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  
EE 9  
Reason  
Action Required  
Maximum time is exceeded  
Check page 11 in the Operation Manual.  
Touch STOP/CLEAR pad and reprogram cor-  
rectly.  
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14  
CARE AND CLEANING  
the cover to the oven side walls with two clips  
(A) as shown in Fig.1.  
Toreplacethesidesplashcover(C),inserttwo  
projectionsofthecover(C)intotheholesofthe  
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.  
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.  
Fig.2  
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. Openthedoorbeforecleaningtoinactivate  
the control panel pads.  
Side splash cover (C)  
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  
chemicalorabrasivecleaner. Todosomaycause  
severe damage to the panel and make program-  
ming impossible.  
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.  
Caution for R-21JCA:  
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.  
Door  
Wipe the door and window on both sides fre-  
quently 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 spat-  
ters are not allowed to build up. Such a build-up  
could result in leakage of microwave energy from  
the oven.  
Oven interior  
1) For easy cleaning, wipe any spatters or spills  
with a soft damp cloth or sponge at the end of  
eachday. Forheavierspills, usemildsoapand  
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.  
To replace the back splash cover (B), secure  
Fig.1  
Door  
Back splash cover (B)  
Side  
splash  
(A)  
(A)  
cover (C)  
(A)  
(A)  
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15  
COOKING GUIDE  
Utensils  
METAL  
1) Frozen Precooked Foods in Foil Containers  
When cooking foods in foil containers, the container should be no more than 1/2" 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. Heat-  
resistant 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,  
paperfreezerwrapandthepaperpulpboardthatsomemeatscomepackedinarealsoconvenientutensils  
for use in the microwave oven. Cardboard can also be used. Paper is used in the microwave oven as a  
moistureinsulator. Waxcoatedpaperplatesandcupsshouldbeavoidedsincethehightemperaturesthat  
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  
contentsincetheheatofthefoodistoohotfortheplasticandmaycauseittomeltorloseitsshape.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  
suitableforuseinthemicrowaveovenbecausetheyformtootightaseal.Wheneverremovingplasticwrap  
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.  
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Guidelines for microwave heating  
Several factors should be kept in mind when selecting utensils to be used for microwave heating.  
1. Aplatewithanarrowrimofabout1/2-inchisrecommended. Thiskeepsthefoodallatthesamelevel  
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. Arrangefoodswiththickerportionsorlargerpiecestowardtheoutsideofthecookingcontainer.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 thick for best heating results. Turning the meat product over  
once during the heating process will yield more uniform heating.  
7. Stir liquids briskly before heating and allow to stand at least for 20 seconds after heating before  
stirring or drinking to avoid eruption.  
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. Eggsshouldbeslightlyundercookedwhenpreparingthemforlaterreheatinginthemicrowave.Cool  
quickly and store covered.  
2. Arrangefoodsonplatterwitheasilyheateditemsnearcenterofplate(eggs)anddenseritemstoward  
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.  
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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 micro-  
wave. Cool quickly and store covered.  
5. Microwaved vegetables retain their bright color, flavor and nutrients.  
Defrosting  
(For R-21HT, R-21HV, R-21JV)  
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-21HT) 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-21JCA)  
See page 7 for DEFROSTING FROZEN FOODS CHART.  
Timing guide  
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. Thethickerthefood, thelongertheheatingtime. Iftwofoodshavethesamedensity, thethinnerfood  
will heat before the thicker one.  
6. Theshapeofthefoodalsoaffectstheheatingtime. Lowroundfoodsthataredepressedinthecenter  
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.  
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Heating and cooking time guide  
Approximate  
Quantity  
Item  
Comment:  
Heating Time  
100% Power (seconds)  
Pastries, Rolls and Baked Goods  
2
1
1
1
1
1
Biscuit  
Bun  
Danish Pastry  
Dinner, Roll  
Doughnut  
Muffin (small)  
12  
8
10  
8
10  
10  
30  
10  
Heat, uncovered, from room temperature  
Heat, uncovered, from room temperature  
Heat, uncovered, from room temperature  
Heat, uncovered, from room temperature  
Heat, uncovered, from room temperature  
Heat, uncovered, from room temperature  
Heat, uncovered, from refrigerated temp.  
Heat, uncovered, from room temperature  
1 slice Pie  
1
Sweet Roll  
Breakfast Items  
8 oz.  
8 oz.  
6 oz.  
6 oz.  
5 oz.  
5 oz.  
French Toast & Bacon  
French Toast & Sausage  
Pancakes & Bacon  
Pancakes & Sausage  
Scrambled Eggs & Bacon  
Scrambled Eggs & Sausage  
70-80  
70-80  
40-50  
40-50  
40-50  
40-50  
40-50  
40-50  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
4 strips Bacon  
4 links Sausage  
Sandwiches  
4-5 oz. Bacon & Tomato  
4-5 oz. Beef Barbecue  
4-5 oz. Burger  
4-5 oz. Cheeseburger  
4-5 oz. Corned Beef  
30-40  
30-40  
30-40  
40-50  
40-50  
20-30  
30-40  
30-40  
30-40  
30-40  
40-50  
40-50  
40-50  
40-50  
40-50  
30-40  
30-40  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, uncovered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
2 oz.  
5 oz.  
Frankfurter  
Jumbo Frankfurter  
31/2 oz. Grilled Cheese  
4 oz.  
4-5 oz. Ham & Cheese  
5 oz. Italian Sausage  
4-5 oz. Pastrami  
4 oz. Roast Beef  
4-5 oz. Submarine/Hoagie  
Ham Sandwich  
5 oz.  
4 oz.  
4 oz.  
Chili Burger  
Chili Dog  
Sloppy Joe  
Casseroles  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
Baked Beans  
Beef Burgundy  
Beef Goulash  
90-100  
110-120  
90-100  
110-120  
90-100  
100-110  
90-100  
90-100  
90-100  
90-100  
110-120  
110-120  
90-100  
Heat, covered, from refrig. Stir after reheat.  
Heat, covered, from refrig. Stir after reheat.  
Heat, covered, from refrig. Stir after reheat.  
Heat, covered, from refrig. Stir after reheat.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig. Stir after reheat.  
Heat, covered, from refrig. Stir after reheat.  
Heat, covered, from refrig. Stir after reheat.  
Heat, covered, from refrig.  
Beef Stew  
Beef Slices with Gravy  
Cabbage Rolls  
Chicken Fricassee  
Chicken a la King  
Chili Con Carne  
Creamed Chicken  
Lasagna  
Meat Loaf  
Macaroni (beef sauce)  
Heat, covered, from refrig.  
Heat, covered, from refrig. Stir after reheat.  
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Heating and Cooking Time Guide Cont  
Approximate  
Quantity  
Item  
Comment:  
Heating Time  
100% Power(seconds)  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
8 oz.  
Macaroni (cheese sauce)  
Stuffed Peppers  
Pot Pie  
70-80  
Heat, covered, from refrig. Stir after reheat.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
100-110  
100-110  
100-110  
80-90  
80-90  
100-110  
80-90  
100-110  
100-110  
90-100  
Ravioli  
Shrimp Creole  
Shrimp Newburg  
Short Ribs of Beef  
Spaghetti  
Stew, Chicken  
Tuna Casserole  
Turkey Slices  
Vegetables  
4 oz.  
4 oz.  
4 oz.  
4 oz.  
4 oz.  
4 oz.  
4 oz.  
4 oz.  
4 oz.  
4 oz.  
Asparagus  
Beans, Green  
Broccoli  
Carrot Slices  
Cauliflower  
Corn Niblets  
Mushrooms  
Peas  
40-50  
40-50  
40-50  
40-50  
40-50  
40-50  
30-40  
30-40  
50-60  
50-60  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
Heat, uncovered, from refrig.  
Potatoes au Gratin  
Potatoes (pre-baked)  
Approximate  
Heating Time  
100% Power  
Quantity  
Item  
Comment:  
Plated Meals  
1 small  
1 large  
Plated Meal  
Plated Meal  
2-21/2 min.  
Heat, covered, from refrig.  
Heat, covered, from refrig.  
21/2-31/2 min.  
Primary Cooking  
4 slices Bacon  
1 pound Bacon (precook to reheat)  
21/2-3 min.  
8-10 min.  
Cook between paper towels.  
Cook between paper towels.  
2
12  
Scrambled Eggs  
Scrambled Eggs  
(precook to reheat)  
50-60 sec.  
41/2-5 min.  
Stir during cooking.  
Stir during cooking.  
1 ear  
1 medium Potato  
2 medium Potatoes  
Corn on the Cob  
2-21/2 min.  
31/2-4 min.  
7-8 min.  
Cover, turn over during cooking.  
Wash, dry, prick.  
Cook on paper towel. Stand.  
40 oz.  
24 oz.  
Frozen Broccoli Pieces  
Frozen Broccoli Spears  
14-16 min.  
7-9 min.  
Rearrange during cooking.  
Rearrange during cooking.  
96 oz.  
Refrigerated Lasagna  
(R-21HV/JV)  
15 min.  
at 100 %  
(R-21HT)  
10 min.  
at 100 %  
+
Cover with lid for first half of  
cooking time. Uncover for  
second half of cooking time.  
After cooking, allow to stand,  
covered, for least 5 minutes  
to make cutting and serving  
easier.  
17 min.  
at 50%  
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REMINDERS  
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 skinof 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.  
SPECIFICATIONS  
AC Line Voltage  
AC Power Required  
Output Power  
Frequency  
Single phase 120V, 60Hz, A.C. only  
1.6 kW  
1000W  
#
2450 MHz  
201/2"(W) x 16"(D) x 121/8"(H)  
520mm(W) x 406mm(D) x 309mm(H)  
(including feet)  
OutsideDimensions  
137/8"(W) x 145/8"(D) x 81/8"(H)  
Cavity Dimensions  
353mm(W) x 370mm(D) x 207mm(H)  
Approx. 37 lbs./17 kg  
Weight  
# IEC-705-1988 Test Procedure  
The International Electrotechnical Commissions standardized method for measuring output wattage.  
This test method is widely recognized.  
In Compliance with Standards set by  
FCC Federal Communications Commission Authorized.  
DHHSComplies 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.  
This symbol on the nameplate means the product is listed by  
Underwriters Laboratories, Inc.  
®
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AUTO-TOUCH® GUIDE for R-21HT, R-21HV, R-21JV  
For more complete information and safety precautions, refer to your Operation Manual.  
MEMORY CHECK  
COUNTER CHECK  
Suppose you want to know  
the information programmed  
into the memory.  
1. Touch CHECK pad 2  
times.  
CHECK  
X 2  
Total count will be displayed.  
CHECK  
1. Touch CHECK pad.  
To check count, touch each pad as indicated below,  
after step 1 above.  
2. Touch number  
1
pad  
.
1
Count of memory  
, etc.  
1
MULTIPLE SEQUENCE  
COOKING  
(R-21HT)  
Supposeyouwanttocookfor  
4 minutes at 60% and then  
continue to cook for 2 min-  
utes at 30%.  
1
Count of manual cooking  
Count of Express Defrost  
SELECTATIME  
EXPRESS  
DEFROST  
Toclearthenumberof times:  
1. Enter cooking time for 1  
stage.  
SELECTATIME  
Suppose you want to clear  
the times in memory 1.  
4 0 0  
CHECK  
X 2  
1. Touch CHECK pad 2  
times.  
2. Enter power level for 1st  
stage.  
SELECTAPOWER  
6
2. Touch number pad  
.
1
1
3. Enter cooking time for  
2nd stage.  
SELECTATIME  
SET  
3. Touch SET pad.  
2 0 0  
4. Enter power level for 2nd  
stage.  
SELECTAPOWER  
Any count can be canceled  
by touching the SET pad  
during the checking mode.  
3
5. Touch START pad.  
START  
USER GUIDE for R-21JCA  
OPERATION  
1
50  
40  
E
1.5  
F
G
30  
D
H
1. Set the Light Up Dial for the appropriate cooking time at 100%  
power.  
C
I
20  
2
K
B
J
10  
A
L
2.5  
0
M
The oven will start cooking immediately.  
N 3  
O
T
P
Q
S
R
4
6
To stop the oven,open the door or turn the Light Up Dial to 0.  
5
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AUTO-TOUCH GUIDE for R-21HT, R-21HV, R-21JV  
For more complete information and safety precautions, refer to your Operation Manual.  
COOK WITH MEMORY  
TIME COOKING  
Suppose you want to cook  
using memory.  
Suppose you want to cook  
for 2 minutes and 30 sec-  
onds at 50%.  
1. Touch number pad  
(For R-21HT only)  
.
1
1
1. Touch SELECTATIME  
2. Enter cooking time.  
SELECTATIME  
2 3 0  
SELECTAPOWER  
If you want to use memory  
11-20, touch desired  
number pad twice within 1  
second.  
3. Touch  
SELECTAPOWER  
(For R-21HT only)  
COOKING DOUBLE  
QUANTITY WITH  
MEMORY  
Suppose you want to cook 2  
servings by memory 1.  
4. Enter power level.  
(For R-21HT only)  
5
START  
5. Touch START pad.  
1. Place food in oven.  
Touch DOUBLE QUAN-  
TITY pad.  
DOUBLE  
QUANTITY  
EXPRESS DEFROST  
Suppose you want to defrost  
for 3 minutes and 30 sec-  
onds.  
2. Touch number pad  
.
1
1
MEMORY PROGRAM  
ENTRY  
1. Touch EXPRESS  
DEFROST pad.  
EXPRESS  
DEFROST  
Suppose you want to set 4  
munutes at 60% for the 1st  
stage for 1 serving in the  
memory 1.  
2. Enter desired defrost  
time.  
3 3 0  
(Refer to Express Defrost  
Chart on page 12.)  
1. Touch SET pad 2 times  
within 2 seconds.  
SET  
X 2  
3. Touch START pad.  
START  
1
2. Touch number pad  
3. Enter cooking time.  
.
If you do not open  
the door when an  
audible signal  
1
4. Midway through the  
defrosting cycle, CHECK  
will light in the display  
and an audible signal  
will be heard.  
sounds, the  
SELECTATIME  
defrosting cycle will  
continue and the  
defrosting time will  
count down to 0.  
4 0 0  
You may open the door,  
turn food over and shield  
any warm portions Close  
the door.  
4. Enter power level.  
SELECTAPOWER  
6
SET  
START  
5. Touch SET pad 2 times.  
5. Touch START pad.  
X 2  
®
SHARP ELECTRONICS CORPORATION  
TINSEA954WRRZ-D21 Printed in Thailand  
2002.8  
Sharp Plaza, Mahwah, New Jersey 074302135  
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