Polar Electro POLAR M22 User Manual download pdf (Page 46)

USING A POLAR HEART RATE

MONITOR IN A WATER

ENVIRONMENT

Your Polar Heart Rate Monitor is water resistant to 100

feet/ 30 meters. To maintain the water resistance, do not

operate the buttons of the wrist receiver under water.

Heart rate measurement in a water environment is

technically demanding for the following reasons:

• Pool water with a high chlorine content and seawater

may be very conductive and the electrodes of Polar

transmitter may get short circuited and EKG signals

cannot be detected 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.

POLAR HEART RATE MONITOR

AND INTERFERENCE

ELECTROMAGNETIC INTERFERENCE

Disturbances may occur near high voltage power lines,

traffic lights, overhead lines of electric railways, electric bus

lines or trams, televisions, car motors, bike computers, some

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Polar Electro POLAR M22 User Manual Page 46