A&D UC-321PL User Manual

Before Use

Precautions . . . . . . . . . . . . . . . . . . 1

Scale Components . . . . . . . . . . . . 2

Display Symbols . . . . . . . . . . . . . . 3

UC-321PL
Precision Health Scale

Installing (or Replacing) Batteries 3

Operations

Normal Measurement . . . . . . . . . . 4

References

Specifications . . . . . . . . . . . . . . . . 6

Maintaining the Scale . . . . . . . . . . 6

Before Requesting Service . . . . . . 6

How to Maintain and Store

your Precision Scale . . . . . . . . . . . 6

Measuring weight on

a shag carpet . . . . . . . . . . . . . . . . . 7

Precautions

❒ Please read this booklet before using your scale.
❒ Do not place your scale on a soft, wet or slippery floor. It

is recommended you place your scale on the solid and
level floor.

❒ Place your scale on a solid level flooring surface. Your

scale contains delicate, high-precision parts. Avoid
extremes in temperature, humidity, direct sunlight, shock,
moisture and dust.

❒ Do not step on to your scale with wet feet. Make certain

that feet are dry to prevent slipping or serious injury.

❒ Gently step onto the center portion of your scale.
❒ Do not place feet on the display window.
❒ Holding the measurement switch for extended periods will

shorten battery life.

Indications for Use

❒ This scale is designed for home and clinical use.

Compliance with European Directive

The scale complies with the statutory EMC (Electromagnetic
Compatibility) directive 2004/108/EC. Note: The displayed value may

be adversely affected under extreme electromagnetic influences.

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Scale Components

Display Symbols

BackFront

Ready/Complete Symbol

WEIGHT A

WEIGHT B

Low Battery Mark

Measurement Switch

Slide Switch

Battery Compartment

❒ The following measurements can be selected by the Slide Switch and are

broken into two categories - WEIGHT A and WEIGHT B. Within WEIGHT A
and WEIGHT B, you have a choice to select and have your weight dis­played in kg. or lb. The difference between WEIGHT A and WEIGHT B is
the speed of communication from the data port to another device (e.g.
modem, printer, telephone). Please follow instructions from your telemonitor­ing company to select the proper position on the Slide Switch.

kg

lb

kg

lb

Ready/Complete symbol. This symbol is displayed when the
measurement display is stable.

Low battery mark. If this mark is displayed, replace the batteries
with new ones.

Installing (or Replacing) Batteries

Caution

❒ Insert the battery with the positive (+) and negative (-) terminals properly

aligned with the corresponding symbols in the Battery Compartment.

❒ Improper installation of the batteries may cause battery leakage.
❒ Replace four batteries with new ones, when symbol is displayed.
❒ Do not mix used and new batteries. It may result in damage to the scale or

shorten battery life.

❒ The battery life is dependant upon the environmental temperature, battery

type and 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.

Steps for Installing (or Replacing) Batteries

1. Remove the battery compartment cover on the
underside of the scale by gently pushing on the
arrow and lifting the cover backward.

❒ The scale has an "automatic-power-off" function: When 0.0lb (0.0kg) is on

display, the scale will automatically switch off after 45 seconds of inactivity.
After a weight has been successfully measured, the scale will automatically
switch off after 15 seconds of inactivity.

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2. Place four new “AA” batteries with positive (+) and
negative (-) terminals properly aligned with the
corresponding symbols in the battery compartment.

3. Replace the cover by sliding it into the compartment
and gently pressing into place.

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Normal Measurement

Measuring Your Weight

1 Set the slide switch to the correct mode.

2 Press the measurement switch gently.

All display segments are visible for several

seconds.

3 Wait until the symbol appears.

Wait until the display 0.0 lb (0.0 kg) and Ready/

Complete symbol appear. Step on the scale
gently and stand still during measurement. You
will see “-----” displayed on the screen while the
scale is taking your measurement.

Note: Once the display reads 0.0 lb (0.0 kg), the scale

will automatically turn off after 45 seconds of inactivity.

4 Step off the scale.

Slide switch

to correct mode

Ready/Complete

symbol

Wait for measurment to appear

Measuring a Baby or Small Animal

1 Set the slide switch to the correct mode.

2 Press the measurement switch gently and

step on your scale.

All display segments are indicated for several

seconds. Step on the scale without any baby or
animal in your hands before displaying 0.0 lb
(0.0 kg).

3 Have the infant or animal placed.

Stay on the scale and have the infant or animal

placed securely in your arms within 10 seconds
after the scale is displaying 0.0 lb (0.0 kg) and
symbol. You will see “-----” displayed on the
screen while the scale is taking your measure­ment. Keep still during the measurement until
the Ready/Complete symbol is displayed.

WEIGHT A

WEIGHT B

4 The weight of the infant or animal can

be read after the stable symbol is
displayed.

After approximately fifteen seconds, the scale

will automatically power off.

kg

lb

kg

lb

Slide Switch Measurement Switch

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5 Step off the scale.

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Specifications UC-321PL

Measuring weight on a shag carpet

Digital display Liquid crystal display, one inch character height
Maximum capacity 450 lb. (200 kg)
Minimum display 0.2 lb. (0.1 kg)
Data Output RS-232C CMOS (Use special cable, not included)
Power source Four type AA batteries (R6P, 1.5 volt x 4)
Battery life Approximately 2000 measurements
Accessories Add-on feet (4), Batteries (4), Instruction Manual

Specifications are subject to change without prior notice and any obligation on the part of the manufacturer.

Maintaining the Scale

❒ Clean the scale with a dry, soft cloth or a cloth moistened with water and a

mild 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

Symptoms

Nothing is displayed by pressing
the measurement switch.

The indication is fixed to 88888.

H or L or E-0

There is a large difference
between estimated weight and
data measurement.

is displayed.

Check the battery installation.
Replace batteries.

Remove and reinstall batteries.

Place scale on a firm surface.Is some­thing touching the button case?

Corrective Action

Please use the enclosed add-on feet if you wish to use the Precision Health
Scale on shag carpet.

How to insert the add-on feet.

There are two pins on each add-on foot side. Match those pins to the holes

on the scale leg and insert firmly. Make sure to put add-ons to all 4 legs.

Notes

1. Please be careful not to fall when using the add-on feet.

2. We recommend using this scale on a firm and level ground.

is displayed.

Replace batteries.

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A division of A&D Engineering, Inc.
1756 Automation Parkway
San Jose, CA 95131
www.andmedical.com

I-MAN-321PL 08/2010

©2010 A&D Medical. All rights reserved. Specifications subject to change without notice.