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H. PRECAUTIONS
H 75
Using the Polar Heart Rate Monitor in a Water Environment
Your Polar heart rate monitor is water resistant to 160 feet/ 50 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 Polar transmitter may become short
circuited which prevents EKG signals from detection by the transmitter
unit.
• 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
EKG signal.
• The EKG signal strength 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.
Batteries
Transmitter
The estimated average battery life of the transmitter is 2500 hours of
use. Contact your authorized Polar Service Center for a replacement
transmitter. Polar recycles used transmitters. See your Customer Care
Charter for detailed instructions.
Wrist Receiver
The estimated average battery life of the wrist receiver is 2 years in
normal use (2h/ day, 7 days a week). Please note that excessive use of the
backlight and the alarm signals will drain the battery more rapidly. Do
not open the Polar wrist receiver yourself. To ensure the water resistance
properties and the use of qualified components, the wrist receiver
battery should be replaced by an authorized Polar Service Center only.
At the same time a full periodic check of the Polar heart rate monitor
will be done.
Service
Should your Polar heart rate monitor need service, see the Customer Care
Charter to contact an authorized Polar Service Center.
Water resistance cannot be guaranteed after unauthorized service.
G 74
S810i manual USA GBR A.pm6 29.7.2002, 14:1574-75