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 motor driven exercise equipment, cellular phones or when you walk through electric security gates.
Exercise equipment
Several pieces of exercise equipment with electronic or electrical components such as LED displays, motors and electrical brakes may cause interfering stray signals. To try to tackle these problems, relocate the Polar wrist receiver as follows:
1.Remove the transmitter from your chest and use the exercise equipment as you would normally.
2.Move the wrist receiver around until you find an area in which it displays no stray reading or flashing of the heart symbol. Interference is often worst right in front of the display panel of the equipment, while the left or right side of the display is relatively free of disturbance.
3.Put the transmitter back on the chest and keep the wrist receiver in this
4.If the Polar heart rate monitor still does not work with the exercise equipment, this piece of equipment may be electrically too noisy for wireless heart rate measurement.
Minimising possible risks in exercising with a heart rate monitor
Exercise may include some risk, especially for those who have been sedentary.
Before starting a regular exercise program an individual is recommended to answer to the following questions for health status checking. If the answer is yes to any of the questions, we recommend to consult a doctor before starting an exercise program.
•Have you not exercised for the past 5 years?
•Do you have high blood pressure?
•Do you have high blood cholesterol?
•Do you have symptoms of any disease?
•Are you taking any blood pressure or heart medication?
•Do you have a history of breathing problems?
•Are you recovering from a serious illness or medical treatment?
•Do you use a pacemaker or another implanted electronic device?
•Do you smoke?
•Are you pregnant?
Note that in addition to exercise intensity, medications for heart, blood pressure, psyche, asthma, breathing etc. as well as some energy drinks, alcohol and nicotine, can affect heart rate.
It is important to be sensitive to your body’s reactions during
the exercise. If you feel unexpected pain or tiredness regarding your exercise intensity level, it is recommended to stop the exercise or continue at a lighter intensity.
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