Precision Health Scale
UC-321PBT-C
Instruction Manual

1WMPD4001968B

Contents
Before UsePrecautions -------------------------------------------------------------------------------------- 1
Scale Components ------------------------------------------------------------------------------ 2
Display Symbols --------------------------------------------------------------------------------- 3
Installing (or Replacing) Batteries ---------------------------------------------------------- 3
Pairing The PBT-C Series Device With a Continua-Compliant Manager ---------- 4Operations
Basic Measurement ----------------------------------------------------------------------------- 5
Measuring Your Weight-------------------------------------------------------------------------------------- 5
Measuring an Infant or Small Animal--------------------------------------------------------------------- 6

Measuring Your Weight on a Carpet -------------------------------------------------------- 7
References
Specifications ------------------------------------------------------------------------------------- 8
Maintaining the Scale --------------------------------------------------------------------------- 8
Transmitting Data to a Continua Manager ----------------------------------------------- 9
Before Requesting Service -------------------------------------------------------------------- 9Precautions
 Please read this booklet before using your scale.
 Place your scale on a solid level surface, such as tile, wood,or laminate flooring.

No!

Display Do not place your scale on a soft, wet or slippery floor.
If the scale must be used on a carpet, be sure to attach theplastic add-on feet as shown on Page 6.
 Your scale contains delicate, high-precision parts. Avoid
extremes in temperature, humidity, direct sunlight, shock,moisture and dust.
 Do not step on your scale with your feet wet. Be sure that yourfeet are dry to prevent slipping or serious injury.
 Step on the center portion of your scale gently.
 Do not step on the display window.
 Holding the measurement switch for extended periods will
shorten battery life.

Indications for Use This scale is designed for personal use.
1

No!
Shock

Scale Components
Display

Back

Ready/Complete Symbol

Low Battery Indicator

Slide SwitchFront

Battery Compartment

Measurement Switch

 The following measurements can be selected by the slide switch and areclassified 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 inkg or lb. Use the WEIGHT B category to enable the radio to send measurement
results. The radio will not function if the scale is in a WEIGHT A selection.
 The scale has an “Automatic- power-off” function.
If “0.0 kg /0.0 lb” and the Ready/Complete symbol
are displayed about
forty-five seconds, the scale will automatically turn off.
If thesymbol and the weight are displayed about fifteen seconds, thescale will automatically turn off.

2Display Symbols
Ready/Complete symbol.
This symbol is displayed when the measurement display is stable.
Low battery indicator.
If this symbol is displayed, replace all four batteries with new ones.

Installing (or Replacing) Batteries
Caution Insert each battery with its positive (+) and negative (-) terminals properlyaligned with the corresponding symbols in the battery compartment.
 Improper installation of the batteries may cause battery leakage.
 Replace all four batteries with new ones, when thesymbol is displayed.

 Do not mix new and used batteries. It may cause damage to the scale or
shorten battery life.
 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 the scale.

Steps for Installing (or Replacing) Batteries
1. Remove the battery compartment cover on theunderside of the scale by gently pushing the hook in
the direction indicated by the arrow and lifting thecover backward.
2. Install four new batteries with the positive (+) andnegative (-) terminals properly aligned with thecorresponding symbols in the battery compartment.
3. Replace the cover by sliding it into the compartment
and gently pressing into place.

3Pairing The PBT-C Series Device With a Continua-Compliant Manager
Model UC-321PBT-C is a PBT-C series device. PBT-C series devices aredesigned to be connected only with Continua Managers.
To pair the device with a Manager, please follow these steps:
1.

Remove the four AA batteries from the device.

2.

Discharge the device completely by trying to take a measurement. Press the“Measurement” switch, tap the toe switch, or tap the surface of the device asappropriate.
Note: the measurement will not proceed and the LCD will remain blank.

3.

Insert the four AA batteries back into the device.

4.

Refer to the Manager’s instruction manual to start a Bluetooth discovery andinquiry process.
The device will stay discoverable for 60 seconds following battery insertion.
If the Manager fails to pair with the device, repeat steps 1 through 3.

5.

Once the manager has discovered the device, enter the PIN “123456” as apassword to finish the pairing process.
When the Manager supports SSP (Secure Simple Pairing), no password isrequired for the pairing process.

A device that has been certified by Continua displays thislogo.

A Bluetooth device has the logo mark of Bluetooth printed
on it.

The RoHS (Restriction of Hazardous Substances)
Directive4

Basic Measurement
Measuring Your Weight
1. Set the slide switch to the correct mode.
Example: Set the slide switch to [WEIGHT B].

Set the slide switch
to the correct mode

Press the measurement switch
2. Press the measurement switch gently.
All display segments are displayed for several
seconds.
Ready/Complete
symbol
3. Wait until thesymbol is displayed.
Wait until “0.0 kg /0.0 lb” and the Ready/Complete
symbolare displayed.
Note: If “0.0 kg /0.0 lb” and the Ready/Complete
symbolare displayed about forty-fiveseconds, the scale will automatically turn off.

Step on the scale

4. Step on the scale gently and stand still
during the measurement.
You will see the display changed to dashes.
Please remain still as much as you can.
5. Your weight is displayed after thesymbol
is displayed.
After about fifteen seconds, the scale willautomatically turn off.

Step off the scale

6. Step off the scale.

Slide Switch

Measurement Switch
5Basic Measurement
Measuring an Infant or Small Animal

Set the slide switch
to the correct mode

1. Set the slide switch to the correct mode.
Example: Set the slide switch to [WEIGHT B].
Press the measurement switch
Step on the scale

2. Press the measurement switch gently andstep on the scale.
All display segments are displayedfor several seconds.
Step on the scale without any baby
Ready/Completesymbol
or animal in your arms before “0.0kg /0.0 lb” is displayed.

kg

3. Have the infant or the animal placed in yourarms
Have the infant or the animal
placed in your arms
Remain on the scale and have the infant or theanimal placed securely in your arms within ten
seconds after the scale displays “0.0 kg /0.0 lb”
and the Ready/Complete symbol .
Remain still during the measurement until theReady/Complete symbol
is displayed. You will
see the display changed to dashes. Pleaseremain still as much as you can.
Note: If “0.0 kg /0.0 lb” and the Ready/Complete
symbol are displayed about forty-fivekgseconds, the scale will automatically turn off.
4. The weight of the infant or the animal can beread after thesymbol is displayed.
After about fifteen seconds, the scale willautomatically turn off.
5. Step off the scale.
6

Step off the scale

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 andinsert firmly.
2. Attach add-on feet on 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.

7

Specifications
Digital display

Liquid crystal display, 25 mm character height

Maximum capacity

200 kg / 450 lb

Minimum display

0.1 kg / 0.2 lb

Wireless communication

WML-40AH (Mitsumi Electronics Co. Ltd.)
Bluetooth Ver.2.1 Class 1 HDPContinua certified

Power source

Four type AA batteries(R6P or LR6, 1.5 volt x 4)

Battery life

Approximately 1000 measurements

Accessories

Add-on feet (4), Instruction manual, batteries(4)Specifications are subject to change without prior notice or any obligation on thepart of the manufacturer.

Compliance with European Directives
The scale complies with the statutory EMC (Electromagnetic Compatibility)
directive 2004/108/EC. The WML-40AH is approved in accordance toR&TTE directive transmitter module marked by, manufactured by
MITSUMI incorporated to OEM product.
Notes: Indoor use only. The displayed value may be adversely affectedunder extreme electromagnetic influences.

Compliance with FCC Rules
The scale complies with part 15 of the FCC rules and contains the FCC ID
POOWML- C40 .

Compliance with Industry Canada
IC: 4250A-WMLC40.

Maintaining the Scale Clean the scale with a soft dry cloth or a cloth moistened with water and a mild
detergent. Never use alcohol, benzine, thinner or other harsh chemicals to clean
the scale.
 Remove the batteries from the battery compartment, when the scale is not going
to be used for a long time.
8Transmitting Data to a Continua Manager
Measurement results will be automatically transmitted to the paired Manager at
each measurement. In the case of unsuccessful transmission, the device storesthe last 25 measurements in memory. The device will send all of the data at thenext successful connection and clear memory.

Before Requesting Service
Problems
Nothing is displayed by pressing themeasurement switch.
“88888” remains displayed.
“e- 0” is displayed.
The difference between an estimatedweight and a measured weight isexcessive.

is displayed.

Corrective Action
Check the battery installation.
Replace all four batteries with new ones.
Remove and reinstall the batteries.
Place the scale on a solid level surface.
Remove any foreign objects that might
be touching the bottom of the scale.
When the scale is placed on a carpet, besure that the add-on feet are attached or
try moving the scale to a level surface
such as tile or wood.
Replace all four batteries with new ones.

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 with technicalinformation, spare parts and units.

9MEMO10A&D Company, Limited
1-243 Asahi, Kitamoto-shi, Saitama 364-8585 JAPAN
Telephone: [81] (48) 593-1111
Fax: [81] (48) 593-1119

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

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

A&D KOREA Limited

한국에이.엔.디(주)대한민국 서울시 영등포구 여의도동 36-2 맨하탄 빌딩 8층
( 8th Floor, Manhattan Bldg. 36-2 Yoido-dong, Youngdeungpo-ku, Seoul, KOREA )Telephone: [82] (2) 780-4101
Fax: [82] (2) 782-4280