Polar Electro WearLink 31 User manual

17921800_01cov GEN C 27.5.2004 22:45 Page 1
Product of Polar Electro Oy
Professorintie 5
FIN-90440 KEMPELE
www.polar.fi
17921800.01 GEN C
User Manual
Gebrauchsanleitung
Manuel d'utilisation
Gebruiksaanwijzing
Manuale dell’utente
Manual del usuario
Manual do utilizador
Bruksanvisning
Käyttöohje
Brugerhåndbog
Brukerveiledning
CODED TRANSMITTER
Polar
WearLink 31
A. a
B1
B2
b
LEFT
RIGHT

17921800_01cov GEN C 27.5.2004 22:45 Page 2
B4
C1
B3
C
L
O
S
E
O
P
E
N

8
ENGLISH
A. TRANSMITTER PARTS
a. The electrode areas of the strap detect your heart
rate.
b. The connector transmits your heart rate signal to the
wrist unit.
B. HOW TO PUT YOUR TRANSMITTER ON
1. Moisten the electrode areas of the strap under
running water and make sure that they are well
moistened. Picture B1.
2. Attach the connector to the strap. Position the
connector's letter Lto the word LEFT on the strap
and snap the fastener. Picture B2.
3. Adjust the strap length to fit snugly and comfortably.
Secure the strap around your chest, just below the
chest muscles, and snap the second fastener.
Picture B3.
4. Check that the wet electrode areas are firmly against
your skin and that the Polar logo of the connector is
in a central, upright position. Picture B4.
C. CARE AND MAINTENANCE OF THE
TRANSMITTER
Your transmitter is a high-tech instrument of
superior design and workmanship and should be
treated with care. The suggestions below will help
you fulfill the guarantee obligations and enjoy
this product for many years to come.
Connector
•Clean the connector regularly after use with a mild
soap and water solution.
•Never use alcohol or any abrasive material such as
steel wool or cleaning chemicals on any part of the
transmitter.
•Do not dry the connector in any other way than with
a towel. Rough handling may damage it.
•Never put the connector in a washing machine or a
drier!
Strap
•You can rinse the strap after usage with water.
•You can wash the strap in a washing machine at
104 ºF/ +40 ºC. We recommend that you use a
washing pouch.
•We recommend that you wash the strap after each
time you have used it in pool water with a high
chlorine content.

9
•Dry the strap in airy place after usage and wash.
•Do not spin-dry the strap!
•Do not put the strap in a dryer!
•Do not iron the strap!
Maintenance
•Store your transmitter in a cool and dry place. Do not
store it in any kind of non-breathing material, such as
a plastic bag or a sports bag, if it is wet. Sweat and
moisture can keep its electrodes wet and the
transmitter activated, which shortens the battery life.
•Keep your transmitter out of extreme cold (below
14 ºF/ -10 ºC) and heat (above 122 ºF/ +50 ºC).
•Do not expose transmitter to direct sunlight for
extended periods, such as by leaving it in a car.
•Detach the connector from the strap when not in use.
ENG
Service
During the two-year guarantee/warranty period we
recommend that you have service done by an
authorized Polar Service Center only. The warranty does
not cover damage or consequential damage caused by
service not authorized by Polar Electro Oy.
Batteries
The estimated average battery life span of the
transmitter is 2 years (1h/day, 7 days/week). If your
transmitter stops working, it might be due to the
battery running out.
If you choose to change the battery yourself, follow the
instructions below. To change the battery, you need a
coin, sealing ring (some included in the product
package) and battery (CR2025). See picture C1.
1. Open the connector's battery cover by turning it
counterclockwise with the coin from the CLOSE
position to the OPEN position. The cover pops out
from its niche.
2. Remove the battery cover from the connector, lift the
battery from the niche and replace it with a new
battery.
3. Remove the sealing ring of the battery cover and
replace it with a new ring.
4. Place the negative (-) side of the battery against the
connector and the positive (+) side against the cover.
5. Put the battery in the connector's niche and put the
cover on so that the arrow points to the OPEN
position. Make sure that the cover's sealing ring is
placed correctly in its groove.
6. Gently press the cover deep enough so that its
exterior surface is on the same level as the
connector's surface.
7. Turn the cover clockwise so that the arrow on the
cover turns from OPEN to CLOSE. Make sure that the
cover is closed properly!

10
D. PRECAUTIONS
If you are allergic to any substance that comes into
contact with the skin or if you suspect an allergic
reaction due to using the product, check the listed
materials in the “Technical Specifications”chapter. To
avoid any skin reaction risk with the transmitter, wear it
over a shirt. However, moisten the shirt well under the
electrodes to ensure flawless operation.
The combined effect of moisture and intense abrasion
may cause a black color, which might particularly stain
light-colored clothes, to rub off from the connector’s
surface and from the strap.
If you use insect repellent on your skin, you must
ensure that it does not come into contact with the
transmitter!
Using the Transmitter in a Water Environment
Your transmitter is water resistant to 100 feet/ 30 meters.
Users measuring heart rate in a water environment may
experience interference for the following reasons:
•Pool water with a high chlorine content and seawater
are very conductive. The electrodes of a strap may
short-circuit, which prevents ECG signals from being
detected by the connector.
•Jumping into the water or strenuous muscle
movement during competitive swimming may cause
water resistance that shifts the transmitter on the
body to a location where it is not possible to pick up
ECG signal.
•The ECG signal strength is individual and varies
depending on the individual’s tissue composition and
the percentage of people who have problems in heart
rate measuring is considerably higher in a water
environment than in other use.
•In order to ensure the maximum life span of the
connector's battery cover, open it only when you
need to change the battery. We recommend that
you change the sealing ring of the battery cover
every time you change the battery. You can get the
sealing ring/battery kits from well-equipped Polar
retailers and authorized Polar Services. In the USA
and Canada: Additional sealing rings are available
from an authorized Polar Service Center only.
•Keep the batteries away from children. If
swallowed, contact a doctor immediately.
•Batteries should be disposed of properly according
to local regulations.

11
F. LIMITED POLAR
INTERNATIONAL GUARANTEE
•This limited Polar international guarantee is issued by
Polar Electro Inc. for the consumers who have
purchased this product in the USA or Canada. This
limited Polar international guarantee is issued by
Polar Electro Oy for the consumers who have
purchased this product in other countries.
•Polar Electro Inc. / Polar Electro Oy guarantees to the
original consumer/ purchaser of this product that the
product will be free from defects in material or
workmanship for two years from the date of
purchase.
•Please keep the receipt or International
Guarantee Card, which is your proof of
purchase!
•The guarantee does not cover the battery, damage
due to misuse, abuse, accidents or non-compliance
with the precautions; improper maintenance,
commercial use, cracked or broken cases.
•Guarantee does not cover any damage/s, losses, costs
or expenses, direct, indirect or incidental,
consequential or special, arising out of, or related to
the product. During the guarantee period the
product will be either repaired or replaced at an
authorized service center free of charge.
•This guarantee does not affect the consumer’s
statutory rights under applicable national or state
laws in force, or the consumer’s rights against the
dealer arising from their sales/ purchase contract.
E. TECHNICAL SPECIFICATIONS
Polar connector
Battery type: CR 2025
Battery sealing ring: O-ring 20.0 x 1.0 Material FPM
Battery life: Average 2 years (1h/day,
7 days/week)
Operating temperature: 14 °F to 122 °F/ -10 °C to
+50 °C
Material: Polyamide
Water resistance: Water resistant up to 100 feet/
30 m
Strap
Material: Polyurethane, polyamide,
nylon, polyester and
elasthane.
ENG

12
DISCLAIMER
•The material in this manual is for informational
purposes only. The products it describes are subject to
change without prior notice, due to the
manufacturer’s continuous development program.
•Polar Electro Inc. / Polar Electro Oy makes no
representations or warranties with respect to this
manual or with respect to the products described
herein. Polar Electro Inc. / Polar Electro Oy shall not
be liable for any damages, losses, costs or expenses,
direct, indirect or incidental, consequential or special,
arising out of, or related to the use of this material or
the products described herein.
This CE marking shows compliance of this product with
Directive 93/42/EEC.
Copyright © 2002-2004 Polar Electro Oy, Professorintie 5, FIN-90440
KEMPELE, Finland.
Distributed in the USA by Polar Electro Inc. 370 Crossways Park Drive,
Woodbury, NY 11797-2050, U.S.A.
All rights reserved. No part of this manual may be used or reproduced in any
form or by any means without prior written permission of Polar Electro Oy.
The names and logos marked with a ™symbol in this user manual or in the
package of this product are trademarks of Polar Electro Oy. The names and
logos marked with a ®symbol in this user manual or in the package of this
product are registered trademarks of Polar Electro Oy.
This product is protected by one or several of the following patents: FI68743,
DE3439238, GB2149514, HK812/1989, US4625733, FI96380, US5611346,
EP665947, DE69414362. Other patents and design patents pending.
www.polar.fi