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Changing Polar WearLink+ Heart Rate Sensor
Battery
1. Using a coin, open the battery cover by turning it
counterclockwise to OPEN.
2. Insert the battery (CR2025) inside the cover with
the positive (+) side against the cover. Make sure
the sealing ring is in the groove to ensure water
resistance.
3. Press the cover back into the connector.
4. Use the coin to turn the cover clockwise to
CLOSE.
Open the cover only when changing the battery to
ensure a long life, and make sure the sealing ring is
not damaged, in which case you should replace it
with a new one.
For a video tutorial, go to http://www.polar.com/en/polar_community/videos.
Keep batteries away from children. If swallowed, contact a doctor immediately. Batteries should be disposed of in
compliance with local regulations.
Danger of explosion if the battery is replaced with wrong type.
When handling a new, fully charged battery, avoid clasp-like contact, i.e. simultaneously from both sides,
with metal or electrically conducting tools, like tweezers. This may short circuit the battery, causing it to
discharge more rapidly. Typically, short circuiting does not damage the battery, but it may decrease the
capacity and the lifetime of the battery.
Precautions
The Polar cycling computer displays your performance indicators. It is designed to indicate the level of
physiological strain and recovery during and after exercise session. It also measures speed and distance
when cycling with a Polar CS speed sensor W.I.N.D. The Polar CS cadence sensor W.I.N.D. is designed to
measure cadence when cycling. The Polar LOOK Kéo Power system is designed to measure power output
when cycling. No other use is intended or implied.
The Polar cycling computer should not be used for obtaining environmental measurements that require
professional or industrial precision. Furthermore, the device should not be used to obtain measurements
when engaged in airborne or underwater activities.
Interference During Exercise
Disturbance may occur near microwave ovens and computers. Also WLAN base stations may cause
interference when exercising with CS500+. To avoid erratic reading or misbehaviors, move away from
possible sources of disturbance.
Minimizing Risks When Exercising
Exercise may include some risk. Before beginning a regular exercise program, it is recommended that you
answer the following questions concerning your health status. If you answer yes to any of these questions,
we recommend that you consult a doctor before starting any training program.
• Have you been physically inactive for the past 5 years?
• Do you have high blood pressure or high blood cholesterol?
• Do you have symptoms of any disease?
ENGLISH
Important Information 31