Precautions; Interference During Training; Minimizing Risks When Training - Polar Electro RCX5 User Manual

Remove the connector from to the strap after training. If you leave the connector attached to the strap, it
will keep the sensor awake and consumes the sensor battery. The heart rate sensor is on whenever you are
wearing it on your chest, even when the training computer is not measuring your heart rate.
The battery is inserted at the factory. Therefore, when you purchase the product, the actual lifetime of the
first battery can seem shorter than estimated.
• The low battery indicator is displayed when 10-15% of the battery capacity is left.
• To avoid data loss, transfer all data from your RCX5 to polarpersonaltrainer.com before changing the
battery.
• If you use the backlight a lot, the battery drains more rapidly.
• In cold conditions, the low battery indicator may appear, but will disappear when the temperature rises.
• The backlight and sounds are automatically disabled when the low battery indicator is displayed. Any
alarms set prior to the appearance of the low battery indicator will remain active.

Precautions

The Polar training computer shows your performance indicators. Polar training computer is designed to
indicate the level of physiological strain and recovery during and after exercise session. It measuresheart
rate, speed and distance when cycling with a Polar CS speed sensor W.I.N.D. It also measures speed and
distance when running with a Polar s3+ stride sensor or with a Polar G5 GPS sensor / Polar G3 GPS sensor
W.I.N.D.. The Polar CS cadence sensor W.I.N.D. is designed to measure cadence when cycling. No other
use is intended or implied.
The Polar training computer 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 computer. 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 computer 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 computer in this
interference-free area as much as possible.
If the training computer still does not work with the training equipment, it may be electrically too noisy for
wireless heart rate measurement.
For further information, see www.polar.com/support [http://www.polar.com/support].

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?
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