Precautions; Interference During Training; Electromagnetic Interference And Training Equipment - Polar Electro A300 User Manual

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1. Using a coin, open the bat-

tery cover by turning it coun-

terclockwise to OPEN.

2. Insert the battery (CR

2025) inside the cover with

the positive (+) side against

the cover. Make sure the

sealing ring is in the groove

to ensure water resistance.

3. Press the cover back into

the connector.

4. Use the coin to turn the

cover clockwise to

CLOSE.

Danger of explosion if the battery is replaced with wrong type.

PRECAUTIONS

The Polar A300 is designed to measure heart rate and tell your activity. No other use is intended or implied.

The training device should not be used for obtaining environmental measurements that require professional or

industrial precision.

Disturbance may occur near electrical devices. Also WLAN base stations may cause interference when train-

ing with the training device. To avoid erratic reading or misbehavior, move away from possible sources of dis-

turbance.

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 nor-

mally.

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.

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