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Alternatively, to avoid other people’s heart rate signals:
1. Take the transmitter off your chest for 30 seconds. Move away from the other device.
2. Put the transmitter back on and bring the running computer up to your chest near the
transmitter’s Polar logo. The running computer will start searching for a heart rate signal again.
Continue your exercise normally.
Using the Running Computer in Water
The running computer may be worn when swimming. It is not, however, a diving instrument. To
maintain water resistance, do not press the buttons of the running computer under water. When
measuring heart rate in water, you may experience interference for the following reasons:
•
Pool water with a high chlorine content, and seawater, are very conductive. The electrodes of a
transmitter may short-circuit, preventing ECG signals from being detected by the transmitter.
•
Jumping into water or a strenuous muscle movement during competitive swimming may shift the
transmitter to a location on the body where ECG signals cannot be picked up.
•
The ECG signal strength is individual and may vary depending on the individual’s tissue
composition. Problems occur more frequently when measuring heart rate in water.
The S1 foot pod can be used in any wet running environment, including rain, but it is not intended for
underwater use.
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?
•
Are you taking any blood pressure or heart medication?
•
Do you have a history of breathing problems?
•
Do you have symptoms of any disease?
•
Are you recovering from a serious illness or medical treatment?
•
Do you use a pacemaker or other implanted electronic device?
•
Do you smoke?
•
Are you pregnant?
Note that in addition to exercise intensity, medications for heart conditions, blood pressure,
psychological conditions, asthma, breathing, etc., as well as some energy drinks, alcohol, and nicotine
may also affect heart rate.
It is important to be sensitive to your body’s responses during exercise. If you feel unexpected pain or
excessive fatigue when exercising, it is recommended that you stop the exercise or continue at a lighter
intensity.
Notice to individuals with pacemakers, defibrillators or other implanted electronic devices. Individuals
who have a pacemaker use the Polar running computer at their own risk. Before starting use, we always
recommend a maximal exercise stress test under a doctor’s supervision. The test is to ensure the safety
and reliability of the simultaneous use of the pacemaker and the Polar running computer.
If you are allergic to any substance that comes into contact with your skin or if you suspect an allergic
reaction due to using the product, check the listed materials in Technical Specifications. To avoid any
skin reaction to the transmitter, wear it over a shirt, but moisten the shirt well under the electrodes to
ensure flawless operation.
Your safety is important to us. The shape of the foot pod/stride sensor* is designed to minimize the
possibility of it getting caught in something. In any case, be careful when running with the foot
pod/stride sensor in brushwood, for example.
The combined impact of moisture and intense abrasion may cause a black color to come off the
transmitter’s surface, possibly staining light-colored clothes. If you use insect repellent on your skin, you
must ensure that it does not come into contact with the transmitter.
*Optional S1 foot pod required.
Polar RS400 User Manual 43