Precision Health Scale
Model UC-321

Before UsePrecautions ................................... 1
Scale Components ........................ 2
Display Symbols ............................ 3
Installing (or Replacing) Batteries .. 3
Operations
Basic Measurement ....................... 4
Memory Function ........................... 6
Target Function .............................. 8
BMI Indication .............................. 10
Measuring Your Weight on a Carpet . 12
References
Specifications ............................... 13
Maintaining the Scale ................... 13
Before Requesting Service ........... 13

Precautions
Please read this booklet before using your scale.
Place your scale on a solid level surface, such as tile, wood, orlaminate flooring.
Do not place your scale on a soft, wet or slippery floor. If the scalemust be used on a carpet, be sure to attach the plastic add-on feet asshown on page 12.
Your scale contains delicate, high-precision parts. Avoid extremes intemperature, humidity, direct sunlight, shock, moisture and dust.
Do not step on your scale with your feet wet. Be sure that your feetare dry to prevent slipping and serious injury.
Step on the center portion of your scale gently.
Do not step on the display window.
Do not open the case of the scale.
Holding the measurement switch for extended periods will shorten battery life.

Indications for Use
The UC-321 is designed for adult use at home.

1WMPD4000285C

Scale Components
Display

Function Indicators

BackOK Mark

Low Battery Mark

Slide Switch

Front

Measurement Switch

Battery Compartment

Function
The following four measurements can be selected by the slide switch.

WEIGHT

Refer to “Basic Measurement” and “Measuring a Baby or an Animal”.
The function to measure your weight, the weight of a baby oranimal.

BMI

Refer to “BMI Indication”.
The BMI is a helpful indicator of body weight condition, in adults.

MEMORY

Refer to “Memory Function”.
Up to 31 weight data can be stored in memory.
The difference from the previous result is displayed automatically.

TARGET

Refer to “Target Function”.
The difference between the preset target weight and the current
weight can be displayed.

The scale has an “automatic-power-off” function to turn the scale off after ten
seconds of non-operation. Therefore, the scale has no off switch.
- 2 -Display Symbols
OK mark. This mark is displayed when measurement display is stable.
Low battery mark. If this mark is displayed, replace all four batteries
with new ones.
,Function indicators. The current function is indicated.

Installing (or Replacing) Batteries
CautionInsert each battery with its positive (+) and negative (-) terminals properlyaligned with the corresponding marks in the battery compartment.
Improper installation of the batteries may cause battery leakage.
Replace all four batteries with new ones, when themark is displayed.
Do not mix new and used batteries. It may cause damage to the scale or
shorten battery life.
When batteries are completely drained, themark is not displayed.
The battery life is dependant upon the environmental temperature, battery typeand usage.
Remove the batteries from the battery compartment, when the scale is not to
be used for a long time. They may leak and damage your scale.
The accessory batteries may have a shorter life than new ones.

Steps for Installing (or Replacing) Batteries
1 Remove the battery compartment cover on theunderside of the scale by gently pushing on
the arrow and lifting the cover backward.

2 Install four new batteries with the positive (+)
and negative (-) terminals properly aligned withthe corresponding marks in the battery compartment.

3 Replace the cover by sliding it into the compartment and gently pressing into place.
- 3 -Basic Measurement
Measuring Your Weight

1 Set the slide switch to “WEIGHT”.

2 Press the measurement switch gently.
All display segments are indicated for several
seconds. Then, 0.00 kg and the mark are displayed.

3 Step on your scale.
Step on your scale gently. When the markdisappears, the measurement is started. Remain
still during the measurement.
If 0.00 kg is displayed for approximately ten seconds, the scale is automatically turned off.

4 Your weight can be read after themark is displayed.
The scale is turned off automatically after approximately five seconds.

5 Step off the scale.

Slide switch- 4 -Measurement switch

Measuring a Baby or an Animal
1 Set the slide switch to “WEIGHT”.

2 Press the measurement switch gently
and immediately step on your scale.
With all of the display segments indicated (several seconds) and before 0.00 kg appears, stepon the scale without any baby or animal in yourhands. Wait for 0.00 kg to appear.

3 Step off the scale and pick up the babyor animal, then step on the scale again.
Within ten seconds after 0.00 kg and the markare displayed, step on your scale with the baby
or animal. Remain still during the measurement
until the mark is displayed.

4 The weight of the baby or animal canbe read after the mark is displayed.
The scale is turned off automatically after
approximately five seconds.

5 Step off the scale.

- 5 -Memory Function
Up to 31 weight data can be stored in memory. The 32nd data is stored bydeleting the oldest stored data. The difference from the previous result isdisplayed automatically.

Storing a Current Weight.

1 Set the slide switch to “MEMORY”.
2 Press the measurement switch gently.
The last weight is displayed.

3 Step on your scale.
When 0.00 kg and the mark are displayed,
step on your scale gently. The measurement is started when the mark disappears. Remain still during the measurement.
If 0.00 kg is displayed for approximately
ten seconds, the scale is automaticallyturned off.

4 The weight can be read after themark is displayed.

5 Step off the scale.
6 The weight is stored in memory
and the difference from the last
weight is displayed.
The weight data is stored in memory
and the difference from the previous
result is displayed for approximately
five seconds. And, the scale is automatically turned off.
- 6 -

Displaying the Weight Data Stored in the Scale
The stored measurement data is displayed in order, beginning with the mostrecent measurement.

1 Set the slide switch to “MEMORY”.

2 With the scale turned off, press and holdthe measurement switch gently.
The weight data are displayed in order from thelast result. The scale is automatically turned off.
If you want to stop displaying the data, press
the measurement switch.

Measurement switch

Slide switch- 7 -Target Function
The difference between the preset target weight and the current weight canbe displayed.

Presetting a New Target Weight
1 Set the slide switch to “TARGET”.

2 With the scale turned off, press and holdthe measurement switch gently.
The preset target weight is displayed.

3 Using the measurement switch, set a
new target weight.
Press and release the measurement switch toincrease the value in increments of 0.1.
Press and hold the measurement switch toincrease the value continuously.

4 When the desired value is displayed,
release the measurement switch tostore it.
The scale is automatically turned off after thenew target weight is displayed for approximately
five seconds.

Slide switch

Measurement switch- 8 -Comparing a Current Weight with a Preset Target Weight
1 Set the slide switch to “TARGET”.
2 Press the measurement switch gently.
The stored target weight is displayed.

3 Step on the scale.
When 0.00 kg and the mark aredisplayed, step on your scale
gently.
The measurement is started whenthe mark disappears. Remain still
during the measurement.
If 0.00 kg is displayed for approximately ten seconds, the scale is automatically turned off.

4 The difference between the preset target weight and the current
weight is displayed.
The scale is automatically turned off
after the difference is displayed for approximately five seconds.

5 Step off the scale.

- 9 -BMI Indication
BMI

Body Mass Index or BMI (kg/m2), basedon an individual’s height and weight, isa helpful indicator of underweight, overweight or obesity, in adults.
According to the new NHLBI (NationalInstitutes of Health) guidelines, he BMI
score is as indicated in the list.

Underweight

Below 18.5

Normal18.5 to 24.9

Overweight25.0 to 29.9

Obesity30.0 and Above

Presetting Your HeightStore your height before measuring your weight to calculate the BMI.
The scale can store a height between 30 cm and 220 cm in increments of 0.1 cm.

1 Set the slide switch to “BMI”.
2 With the scale turned off, press and hold themeasurement switch gently.
The preset height is displayed.

3 Using the measurement switch, set a newheight.
Press and release the measurement switch to increase
the value in increments of 0.1.
Press and hold the measurement switch toincrease the value continuously.

4 When the desired value is displayed, release
the measurement switch to store it.
The scale is automatically turned off after the newheight is displayed for approximately five seconds.

- 10 -

Displaying the BMI Score
1 Set the slide switch to “BMI”.

2 Press the measurement switch gently.
The preset height is displayed.

3 Step on the scale.
When 0.00 kg and the mark are displayed,
step on your scale gently. The measurement isstarted when the mark disappears. Remain
still during the measurement.
If 0.00 kg is displayed for approximately tenseconds, the scale is automatically turned off.

4 The preset height and calculated BMI
score are displayed alternately.
The scale is automatically turned off after thepreset height and calculated BMI score are displayed for approximately ten seconds.

5 Step off the scale.

Slide switch- 11 -

Measurement switch

Measuring Your Weight on a Carpet
Place the scale on a solid level surface, such as tile, wood, or laminate flooring.
If the scale must be used on a carpet, be sure to attach the plastic add-on feet.

Steps for Attaching the Add-on Feet
1 Each add-on foot has two pins. Match those pins to the holes on the scale
leg and insert firmly.

2 Attach add-on feet to all four legs.

Notes
Please be careful not to fall when using the add-on feet.
We recommend using this scale on a solid and level surface.

- 12 -

Specifications
Digital display
Liquid crystal display, 25 mm character height
Maximum capacity
150 kgMinimum display
0.05 kgPower source
Four type AA batteries (R6P, 1.5 volt x 4)
Battery life
Approximately 2000 measurements
Accessories
Instruction manual, Add-on feet (4), Batteries (4)Specifications are subject to change without prior notice and any obligationon the part of the manufacturer.

Maintaining the Scale
Clean the scale with a dry, soft cloth or a cloth moistened with water and amild detergent. Never use alcohol, benzene, thinner or other harsh chemicals to clean the scale.
Remove the batteries, if the scale is not going to be used for a long time.

Before Requesting Service
If this happens
Please do thisNothing is displayed by pressing the Check the battery installation.
measurement switch.
Replace with four new batteries.
The indication is fixed to.
Remove and reinstall the batteries.
or is displayed.
The difference between an estimatedMove your scale to a flat, solid surface.
weight and a measured weight is bigger. Does the scale bottom touch the floor?
is displayed.
Replace batteries and try again.
If you can not locate and fix the problem, contact your supplier, or the A&D
service group. The A&D service group will support authorized suppliers about
technical information, spare parts and units.

- 13 -MEMO- 14 -1-243 Asahi , Kitamoto-shi, Saitama
Telephone: [81] (48) 593-1111

364-8585, JAPANFax: [81] (48) 593-1119

A&D INSTRUMENTS LIMITED
Unit 24/26 Blacklands Way, Abingdon Business Park, Abingdon, Oxfordshire OX14 1DY United
Kingdom Telephone: [44] (1235) 550420
Fax: [44] (1235) 550485

A&D ENGINEERING, INC.
1756 Automation Parkway, San Jose, California 95131, U.S.A.
Telephone: [1] (408) 263-5333
Fax: [1] (408)263-0119

A&D AUSTRALASIA PTY LTD
32 Dew Street, Thebarton, South Australia 5031, AUSTRALIA
Telephone: [61] (8) 8301-8100
Fax: [61] (8) 8352-7409

A&D KOREA Limited.

.

()

6 33 ()
817( 817, Manhattan Bldg., 33. Gukjegeumyung-ro 6-gil, Yeongdeungpo-gu, Seoul,: [82] (2) 780-4101: [82] (2) 782-4264

OOO A&D RUS

OOO "

07331
07331 Korea )"( Business-Center "Vereyskaya Plaza-2" 121357, Russian Federation, Moscow, Vereyskaya Street 17 )
[7] (495) 937-33-44[7] (495) 937-55-66A&D Technology Trading(Shanghai) Co. Ltd855
32 CD
200120(32CD, World Plaza, No.855 South Pudong Road, Pudong New Area, Shanghai, China: [86] (21) 3393-2340: [86] (21) 3393-2347

A&D INSTRUMENTS INDIA PRIVATE LIMITED
509, Udyog Vihar, Phase- , Gurgaon - 122 016, Haryana, India
Telephone: 91-124-4715555
Fax: 91-124-4715599

A&D Instruments Canada
6695 Millcreek Drive, Unit 6, Mississauga, ON L5N 5R8, Canada
Telephone: [1](905) 814-6350
Fax: [1](905) 814-6355

200120)