Manual Polar CS300 (page 40 of 47) (English)

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ENG

Using Your Polar Cycling Computer in Water

The wrist unit may be worn when swimming. It is not, however, a diving

instrument. To maintain water resistance, do not press the buttons of

the wrist unit 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.

Electromagnetic Interference and Exercise Equipment

• Disturbancesmayoccurnearhigh-voltagepowerlines,trafc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.

• Toavoiderraticreadings,moveawayfrompossiblesourcesof

disturbance.

• Severalpiecesofexerciseequipmentwithelectronicorelectrical

components such as LED displays, motors, and electrical brakes

may cause interfering stray signals. To tackle these problems,

try the following:

1. Remove the transmitter from your chest and use the exercise

equipment as you would normally.

2. Move the wrist unit around until you ﬁnd an area in which it

displays no stray reading or does not ﬂash 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 your chest and keep the wrist unit

in this interference-free area as much as possible.

• Ifthecyclingcomputerstilldoesnotworkwiththeexerciseequipment,

this piece of equipment may be electrically too noisy for wireless

heart rate measurement.

Crosstalk

When in non-coded mode, the wrist unit picks up transmitter signals

within 1 m / 3ft. Simultaneous non-coded signals from more than one

transmitter can cause an incorrect reading.

• Ifanotherpersonwithacyclingcomputeroraheartratemonitor

is causing interference, move away from that person and continue

your exercise normally.

• 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 cycling computer up to

your chest near the transmitter’s Polar logo. The cycling computer

will start looking for a heart rate signal again. Continue your

exercise normally.

To avoid crosstalk from another cyclist with a speed sensor, keep a

distance of at least one meter between your cycling computer and the

speed sensor of the other cyclist.

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Others manual(s) of Polar CS300

Polar CS300 User Manual - German - 46 pages

Polar CS300 User Manual - Dutch - 47 pages

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Polar CS300 Manual

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