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PRECAUTIONS
Polar products (training devices, activity trackers and accessories) are designed to indicate the level of physiological
strain and recovery during and after exercise session. The Polar training devices and activity trackers measure heart
rate and/or tell your activity. The Polar training devices with an integrated GPS show speed, distance and location. See
www.polar.com/en/products/accessories for a complete list of compatible accessories. The Polar training devices with
a barometric pressure sensor measure altitude and other variables. No other use is intended or implied. The Polar
training device should not be used for obtaining environmental measurements that require professional or industrial
precision.
INTERFERENCE DURING TRAINING
Electromagnetic Interference and Training Equipment
Disturbance may occur near electrical devices. Also WLAN base stations may cause interference when training with the
training device. To avoid erratic reading or misbehavior, move away from possible sources of disturbance.
Training equipment with electronic or electrical components such as LED displays, motors and electrical brakes may
cause interfering stray signals. To solve these problems, try the following:
1. Remove the heart rate sensor strap from your chest and use the training equipment as you would normally.
2. Move the training device around until you find an area in which it displays no stray reading or does not flash the
heart symbol. Interference is often worst directly 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 heart rate sensor strap back on your chest and keep the training device in this interference-free area as
much as possible.
If the training device still does not work with the training equipment, it may be electrically too noisy for wireless heart
rate measurement.
MINIMIZING RISKS WHEN TRAINING
Training may include some risk. Before beginning a regular training 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?
